Home / 402,919.56-602,888.58-243,088.20

Finding the Fourth Proportional to 402,919.56, 602,888.58 and 243,088.20

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Solution

The fourth proportional to 402,919.56, 602,888.58 and 243,088.20 is: 363,732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,919.56 : 602,888.58 = 243,088.20 : x
  2. Step 2: Convert to fraction form
    402,919.56/602,888.58 = 243,088.20/x
  3. Step 3: Cross multiply
    402,919.56x = 602,888.58 × 243,088.20
  4. Step 4: Simplify right side
    402,919.56x = 146,555,099,712.76
  5. Step 5: Solve for x
    x = 146,555,099,712.76/402,919.56
  6. Step 6: Final answer
    x = 363,732.90

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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.