Home / 412,985.28-619,703.55-160,275.72

Finding the Fourth Proportional to 412,985.28, 619,703.55 and 160,275.72

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Solution

The fourth proportional to 412,985.28, 619,703.55 and 160,275.72 is: 240,501.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,985.28 : 619,703.55 = 160,275.72 : x
  2. Step 2: Convert to fraction form
    412,985.28/619,703.55 = 160,275.72/x
  3. Step 3: Cross multiply
    412,985.28x = 619,703.55 × 160,275.72
  4. Step 4: Simplify right side
    412,985.28x = 99,323,432,662.81
  5. Step 5: Solve for x
    x = 99,323,432,662.81/412,985.28
  6. Step 6: Final answer
    x = 240,501.14

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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.