Home / 434,107.20-651,128.40-181,322.40

Finding the Fourth Proportional to 434,107.20, 651,128.40 and 181,322.40

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Solution

The fourth proportional to 434,107.20, 651,128.40 and 181,322.40 is: 271,970.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,107.20 : 651,128.40 = 181,322.40 : x
  2. Step 2: Convert to fraction form
    434,107.20/651,128.40 = 181,322.40/x
  3. Step 3: Cross multiply
    434,107.20x = 651,128.40 × 181,322.40
  4. Step 4: Simplify right side
    434,107.20x = 118,064,164,196.16
  5. Step 5: Solve for x
    x = 118,064,164,196.16/434,107.20
  6. Step 6: Final answer
    x = 271,970.07

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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.