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Finding the Fourth Proportional to 281,737.86, 388,797.48 and 152,679.93

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Solution

The fourth proportional to 281,737.86, 388,797.48 and 152,679.93 is: 210,697.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,737.86 : 388,797.48 = 152,679.93 : x
  2. Step 2: Convert to fraction form
    281,737.86/388,797.48 = 152,679.93/x
  3. Step 3: Cross multiply
    281,737.86x = 388,797.48 × 152,679.93
  4. Step 4: Simplify right side
    281,737.86x = 59,361,572,030.58
  5. Step 5: Solve for x
    x = 59,361,572,030.58/281,737.86
  6. Step 6: Final answer
    x = 210,697.89

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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.