Home / 236,472.20-354,848.50-221,510.72

Finding the Fourth Proportional to 236,472.20, 354,848.50 and 221,510.72

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Solution

The fourth proportional to 236,472.20, 354,848.50 and 221,510.72 is: 332,397.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,472.20 : 354,848.50 = 221,510.72 : x
  2. Step 2: Convert to fraction form
    236,472.20/354,848.50 = 221,510.72/x
  3. Step 3: Cross multiply
    236,472.20x = 354,848.50 × 221,510.72
  4. Step 4: Simplify right side
    236,472.20x = 78,602,746,725.92
  5. Step 5: Solve for x
    x = 78,602,746,725.92/236,472.20
  6. Step 6: Final answer
    x = 332,397.41

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1.5x scale

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.