Home / 369,740.88-553,152.06-280,042.03

Finding the Fourth Proportional to 369,740.88, 553,152.06 and 280,042.03

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Solution

The fourth proportional to 369,740.88, 553,152.06 and 280,042.03 is: 418,957.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,740.88 : 553,152.06 = 280,042.03 : x
  2. Step 2: Convert to fraction form
    369,740.88/553,152.06 = 280,042.03/x
  3. Step 3: Cross multiply
    369,740.88x = 553,152.06 × 280,042.03
  4. Step 4: Simplify right side
    369,740.88x = 154,905,828,815.88
  5. Step 5: Solve for x
    x = 154,905,828,815.88/369,740.88
  6. Step 6: Final answer
    x = 418,957.81

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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.