Home / 479,681.29-719,280.95-159,720.05

Finding the Fourth Proportional to 479,681.29, 719,280.95 and 159,720.05

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Solution

The fourth proportional to 479,681.29, 719,280.95 and 159,720.05 is: 239,499.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,681.29 : 719,280.95 = 159,720.05 : x
  2. Step 2: Convert to fraction form
    479,681.29/719,280.95 = 159,720.05/x
  3. Step 3: Cross multiply
    479,681.29x = 719,280.95 × 159,720.05
  4. Step 4: Simplify right side
    479,681.29x = 114,883,585,701.64
  5. Step 5: Solve for x
    x = 114,883,585,701.64/479,681.29
  6. Step 6: Final answer
    x = 239,499.83

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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.