Home / 307,823.15-462,018.56-156,126.70

Finding the Fourth Proportional to 307,823.15, 462,018.56 and 156,126.70

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Solution

The fourth proportional to 307,823.15, 462,018.56 and 156,126.70 is: 234,334.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,823.15 : 462,018.56 = 156,126.70 : x
  2. Step 2: Convert to fraction form
    307,823.15/462,018.56 = 156,126.70/x
  3. Step 3: Cross multiply
    307,823.15x = 462,018.56 × 156,126.70
  4. Step 4: Simplify right side
    307,823.15x = 72,133,433,111.55
  5. Step 5: Solve for x
    x = 72,133,433,111.55/307,823.15
  6. Step 6: Final answer
    x = 234,334.01

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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.