Home / 277,901.02-383,498.40-157,039.72

Finding the Fourth Proportional to 277,901.02, 383,498.40 and 157,039.72

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Solution

The fourth proportional to 277,901.02, 383,498.40 and 157,039.72 is: 216,711.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,901.02 : 383,498.40 = 157,039.72 : x
  2. Step 2: Convert to fraction form
    277,901.02/383,498.40 = 157,039.72/x
  3. Step 3: Cross multiply
    277,901.02x = 383,498.40 × 157,039.72
  4. Step 4: Simplify right side
    277,901.02x = 60,224,481,356.45
  5. Step 5: Solve for x
    x = 60,224,481,356.45/277,901.02
  6. Step 6: Final answer
    x = 216,711.98

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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.