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Finding the Fourth Proportional to 560,483.69, 840,866.34 and 161,125.19

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Solution

The fourth proportional to 560,483.69, 840,866.34 and 161,125.19 is: 241,728.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,483.69 : 840,866.34 = 161,125.19 : x
  2. Step 2: Convert to fraction form
    560,483.69/840,866.34 = 161,125.19/x
  3. Step 3: Cross multiply
    560,483.69x = 840,866.34 × 161,125.19
  4. Step 4: Simplify right side
    560,483.69x = 135,484,744,592.77
  5. Step 5: Solve for x
    x = 135,484,744,592.77/560,483.69
  6. Step 6: Final answer
    x = 241,728.26

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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.