Home / 215,228.52-297,013.95-118,438.29

Finding the Fourth Proportional to 215,228.52, 297,013.95 and 118,438.29

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Solution

The fourth proportional to 215,228.52, 297,013.95 and 118,438.29 is: 163,444.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,228.52 : 297,013.95 = 118,438.29 : x
  2. Step 2: Convert to fraction form
    215,228.52/297,013.95 = 118,438.29/x
  3. Step 3: Cross multiply
    215,228.52x = 297,013.95 × 118,438.29
  4. Step 4: Simplify right side
    215,228.52x = 35,177,824,344.15
  5. Step 5: Solve for x
    x = 35,177,824,344.15/215,228.52
  6. Step 6: Final answer
    x = 163,444.07

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1.5x scale

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.