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Finding the Fourth Proportional to 228,001.48, 342,008.12 and 108,030.28

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Solution

The fourth proportional to 228,001.48, 342,008.12 and 108,030.28 is: 162,048.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,001.48 : 342,008.12 = 108,030.28 : x
  2. Step 2: Convert to fraction form
    228,001.48/342,008.12 = 108,030.28/x
  3. Step 3: Cross multiply
    228,001.48x = 342,008.12 × 108,030.28
  4. Step 4: Simplify right side
    228,001.48x = 36,947,232,965.87
  5. Step 5: Solve for x
    x = 36,947,232,965.87/228,001.48
  6. Step 6: Final answer
    x = 162,048.22

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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.