Home / 285,835.86-429,010.76-152,829.81

Finding the Fourth Proportional to 285,835.86, 429,010.76 and 152,829.81

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Solution

The fourth proportional to 285,835.86, 429,010.76 and 152,829.81 is: 229,382.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,835.86 : 429,010.76 = 152,829.81 : x
  2. Step 2: Convert to fraction form
    285,835.86/429,010.76 = 152,829.81/x
  3. Step 3: Cross multiply
    285,835.86x = 429,010.76 × 152,829.81
  4. Step 4: Simplify right side
    285,835.86x = 65,565,633,320.83
  5. Step 5: Solve for x
    x = 65,565,633,320.83/285,835.86
  6. Step 6: Final answer
    x = 229,382.11

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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.