Home / 425,621.90-587,362.16-234,642.12

Finding the Fourth Proportional to 425,621.90, 587,362.16 and 234,642.12

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Solution

The fourth proportional to 425,621.90, 587,362.16 and 234,642.12 is: 323,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,621.90 : 587,362.16 = 234,642.12 : x
  2. Step 2: Convert to fraction form
    425,621.90/587,362.16 = 234,642.12/x
  3. Step 3: Cross multiply
    425,621.90x = 587,362.16 × 234,642.12
  4. Step 4: Simplify right side
    425,621.90x = 137,819,902,430.18
  5. Step 5: Solve for x
    x = 137,819,902,430.18/425,621.90
  6. Step 6: Final answer
    x = 323,808.30

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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.