Home / 315,141.02-434,877.12-179,156.10

Finding the Fourth Proportional to 315,141.02, 434,877.12 and 179,156.10

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Solution

The fourth proportional to 315,141.02, 434,877.12 and 179,156.10 is: 247,225.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,141.02 : 434,877.12 = 179,156.10 : x
  2. Step 2: Convert to fraction form
    315,141.02/434,877.12 = 179,156.10/x
  3. Step 3: Cross multiply
    315,141.02x = 434,877.12 × 179,156.10
  4. Step 4: Simplify right side
    315,141.02x = 77,910,888,798.43
  5. Step 5: Solve for x
    x = 77,910,888,798.43/315,141.02
  6. Step 6: Final answer
    x = 247,225.48

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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.