Home / 294,877.12-442,272.12-145,077.16

Finding the Fourth Proportional to 294,877.12, 442,272.12 and 145,077.16

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Solution

The fourth proportional to 294,877.12, 442,272.12 and 145,077.16 is: 217,594.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,877.12 : 442,272.12 = 145,077.16 : x
  2. Step 2: Convert to fraction form
    294,877.12/442,272.12 = 145,077.16/x
  3. Step 3: Cross multiply
    294,877.12x = 442,272.12 × 145,077.16
  4. Step 4: Simplify right side
    294,877.12x = 64,163,583,116.78
  5. Step 5: Solve for x
    x = 64,163,583,116.78/294,877.12
  6. Step 6: Final answer
    x = 217,594.31

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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.