Home / 286,630.74-395,547.57-159,303.60

Finding the Fourth Proportional to 286,630.74, 395,547.57 and 159,303.60

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Solution

The fourth proportional to 286,630.74, 395,547.57 and 159,303.60 is: 219,837.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,630.74 : 395,547.57 = 159,303.60 : x
  2. Step 2: Convert to fraction form
    286,630.74/395,547.57 = 159,303.60/x
  3. Step 3: Cross multiply
    286,630.74x = 395,547.57 × 159,303.60
  4. Step 4: Simplify right side
    286,630.74x = 63,012,151,872.25
  5. Step 5: Solve for x
    x = 63,012,151,872.25/286,630.74
  6. Step 6: Final answer
    x = 219,837.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.