Home / 285,051.24-427,700.87-178,678.95

Finding the Fourth Proportional to 285,051.24, 427,700.87 and 178,678.95

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Solution

The fourth proportional to 285,051.24, 427,700.87 and 178,678.95 is: 268,096.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,051.24 : 427,700.87 = 178,678.95 : x
  2. Step 2: Convert to fraction form
    285,051.24/427,700.87 = 178,678.95/x
  3. Step 3: Cross multiply
    285,051.24x = 427,700.87 × 178,678.95
  4. Step 4: Simplify right side
    285,051.24x = 76,421,142,365.69
  5. Step 5: Solve for x
    x = 76,421,142,365.69/285,051.24
  6. Step 6: Final answer
    x = 268,096.16

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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.