Home / 670,357.80-1,005,547.56-164,920.08

Finding the Fourth Proportional to 670,357.80, 1,005,547.56 and 164,920.08

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Solution

The fourth proportional to 670,357.80, 1,005,547.56 and 164,920.08 is: 247,382.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,357.80 : 1,005,547.56 = 164,920.08 : x
  2. Step 2: Convert to fraction form
    670,357.80/1,005,547.56 = 164,920.08/x
  3. Step 3: Cross multiply
    670,357.80x = 1,005,547.56 × 164,920.08
  4. Step 4: Simplify right side
    670,357.80x = 165,834,984,039.01
  5. Step 5: Solve for x
    x = 165,834,984,039.01/670,357.80
  6. Step 6: Final answer
    x = 247,382.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.