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Finding the Fourth Proportional to 315,050.52, 434,795.55 and 179,127.12

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Solution

The fourth proportional to 315,050.52, 434,795.55 and 179,127.12 is: 247,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,050.52 : 434,795.55 = 179,127.12 : x
  2. Step 2: Convert to fraction form
    315,050.52/434,795.55 = 179,127.12/x
  3. Step 3: Cross multiply
    315,050.52x = 434,795.55 × 179,127.12
  4. Step 4: Simplify right side
    315,050.52x = 77,883,674,660.32
  5. Step 5: Solve for x
    x = 77,883,674,660.32/315,050.52
  6. Step 6: Final answer
    x = 247,210.11

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1.5x scale

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.