Home / 277,332.07-382,685.32-156,466.30

Finding the Fourth Proportional to 277,332.07, 382,685.32 and 156,466.30

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Solution

The fourth proportional to 277,332.07, 382,685.32 and 156,466.30 is: 215,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,332.07 : 382,685.32 = 156,466.30 : x
  2. Step 2: Convert to fraction form
    277,332.07/382,685.32 = 156,466.30/x
  3. Step 3: Cross multiply
    277,332.07x = 382,685.32 × 156,466.30
  4. Step 4: Simplify right side
    277,332.07x = 59,877,353,780.12
  5. Step 5: Solve for x
    x = 59,877,353,780.12/277,332.07
  6. Step 6: Final answer
    x = 215,904.91

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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.