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Finding the Fourth Proportional to 228,030.30, 342,045.45 and 192,600.90

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Solution

The fourth proportional to 228,030.30, 342,045.45 and 192,600.90 is: 288,901.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,030.30 : 342,045.45 = 192,600.90 : x
  2. Step 2: Convert to fraction form
    228,030.30/342,045.45 = 192,600.90/x
  3. Step 3: Cross multiply
    228,030.30x = 342,045.45 × 192,600.90
  4. Step 4: Simplify right side
    228,030.30x = 65,878,261,510.91
  5. Step 5: Solve for x
    x = 65,878,261,510.91/228,030.30
  6. Step 6: Final answer
    x = 288,901.35

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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.