Home / 291,623.66-402,440.64-157,487.66

Finding the Fourth Proportional to 291,623.66, 402,440.64 and 157,487.66

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Solution

The fourth proportional to 291,623.66, 402,440.64 and 157,487.66 is: 217,332.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,623.66 : 402,440.64 = 157,487.66 : x
  2. Step 2: Convert to fraction form
    291,623.66/402,440.64 = 157,487.66/x
  3. Step 3: Cross multiply
    291,623.66x = 402,440.64 × 157,487.66
  4. Step 4: Simplify right side
    291,623.66x = 63,379,434,682.50
  5. Step 5: Solve for x
    x = 63,379,434,682.50/291,623.66
  6. Step 6: Final answer
    x = 217,332.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.