Home / 152,316.30-228,474.45-39,989.10

Finding the Fourth Proportional to 152,316.30, 228,474.45 and 39,989.10

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Solution

The fourth proportional to 152,316.30, 228,474.45 and 39,989.10 is: 59,983.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,316.30 : 228,474.45 = 39,989.10 : x
  2. Step 2: Convert to fraction form
    152,316.30/228,474.45 = 39,989.10/x
  3. Step 3: Cross multiply
    152,316.30x = 228,474.45 × 39,989.10
  4. Step 4: Simplify right side
    152,316.30x = 9,136,487,628.50
  5. Step 5: Solve for x
    x = 9,136,487,628.50/152,316.30
  6. Step 6: Final answer
    x = 59,983.65

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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.