Home / 384,729.48-530,925.57-214,963.74

Finding the Fourth Proportional to 384,729.48, 530,925.57 and 214,963.74

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Solution

The fourth proportional to 384,729.48, 530,925.57 and 214,963.74 is: 296,649.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,729.48 : 530,925.57 = 214,963.74 : x
  2. Step 2: Convert to fraction form
    384,729.48/530,925.57 = 214,963.74/x
  3. Step 3: Cross multiply
    384,729.48x = 530,925.57 × 214,963.74
  4. Step 4: Simplify right side
    384,729.48x = 114,129,746,188.83
  5. Step 5: Solve for x
    x = 114,129,746,188.83/384,729.48
  6. Step 6: Final answer
    x = 296,649.34

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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.