Home / 425,318.60-637,824.30-214,886.60

Finding the Fourth Proportional to 425,318.60, 637,824.30 and 214,886.60

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Solution

The fourth proportional to 425,318.60, 637,824.30 and 214,886.60 is: 322,252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,318.60 : 637,824.30 = 214,886.60 : x
  2. Step 2: Convert to fraction form
    425,318.60/637,824.30 = 214,886.60/x
  3. Step 3: Cross multiply
    425,318.60x = 637,824.30 × 214,886.60
  4. Step 4: Simplify right side
    425,318.60x = 137,059,895,224.38
  5. Step 5: Solve for x
    x = 137,059,895,224.38/425,318.60
  6. Step 6: Final answer
    x = 322,252.30

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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.