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Finding the Fourth Proportional to 285,545.69, 427,327.04 and 177,430.67

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Solution

The fourth proportional to 285,545.69, 427,327.04 and 177,430.67 is: 265,529.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,545.69 : 427,327.04 = 177,430.67 : x
  2. Step 2: Convert to fraction form
    285,545.69/427,327.04 = 177,430.67/x
  3. Step 3: Cross multiply
    285,545.69x = 427,327.04 × 177,430.67
  4. Step 4: Simplify right side
    285,545.69x = 75,820,919,992.53
  5. Step 5: Solve for x
    x = 75,820,919,992.53/285,545.69
  6. Step 6: Final answer
    x = 265,529.91

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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.