Home / 315,051.15-434,796.41-179,127.75

Finding the Fourth Proportional to 315,051.15, 434,796.41 and 179,127.75

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Solution

The fourth proportional to 315,051.15, 434,796.41 and 179,127.75 is: 247,210.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,051.15 : 434,796.41 = 179,127.75 : x
  2. Step 2: Convert to fraction form
    315,051.15/434,796.41 = 179,127.75/x
  3. Step 3: Cross multiply
    315,051.15x = 434,796.41 × 179,127.75
  4. Step 4: Simplify right side
    315,051.15x = 77,884,102,631.38
  5. Step 5: Solve for x
    x = 77,884,102,631.38/315,051.15
  6. Step 6: Final answer
    x = 247,210.98

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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.