Home / 670,160.64-1,005,240.32-171,523.84

Finding the Fourth Proportional to 670,160.64, 1,005,240.32 and 171,523.84

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Solution

The fourth proportional to 670,160.64, 1,005,240.32 and 171,523.84 is: 257,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,160.64 : 1,005,240.32 = 171,523.84 : x
  2. Step 2: Convert to fraction form
    670,160.64/1,005,240.32 = 171,523.84/x
  3. Step 3: Cross multiply
    670,160.64x = 1,005,240.32 × 171,523.84
  4. Step 4: Simplify right side
    670,160.64x = 172,422,679,809.23
  5. Step 5: Solve for x
    x = 172,422,679,809.23/670,160.64
  6. Step 6: Final answer
    x = 257,285.60

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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.