Home / 287,522.04-396,783.09-158,465.13

Finding the Fourth Proportional to 287,522.04, 396,783.09 and 158,465.13

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Solution

The fourth proportional to 287,522.04, 396,783.09 and 158,465.13 is: 218,683.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,522.04 : 396,783.09 = 158,465.13 : x
  2. Step 2: Convert to fraction form
    287,522.04/396,783.09 = 158,465.13/x
  3. Step 3: Cross multiply
    287,522.04x = 396,783.09 × 158,465.13
  4. Step 4: Simplify right side
    287,522.04x = 62,876,283,938.65
  5. Step 5: Solve for x
    x = 62,876,283,938.65/287,522.04
  6. Step 6: Final answer
    x = 218,683.35

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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.