Home / 427,217.63-640,966.84-174,710.52

Finding the Fourth Proportional to 427,217.63, 640,966.84 and 174,710.52

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Solution

The fourth proportional to 427,217.63, 640,966.84 and 174,710.52 is: 262,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,217.63 : 640,966.84 = 174,710.52 : x
  2. Step 2: Convert to fraction form
    427,217.63/640,966.84 = 174,710.52/x
  3. Step 3: Cross multiply
    427,217.63x = 640,966.84 × 174,710.52
  4. Step 4: Simplify right side
    427,217.63x = 111,983,649,482.38
  5. Step 5: Solve for x
    x = 111,983,649,482.38/427,217.63
  6. Step 6: Final answer
    x = 262,123.20

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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.