Home / 315,050.15-434,795.03-179,126.75

Finding the Fourth Proportional to 315,050.15, 434,795.03 and 179,126.75

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Solution

The fourth proportional to 315,050.15, 434,795.03 and 179,126.75 is: 247,209.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,050.15 : 434,795.03 = 179,126.75 : x
  2. Step 2: Convert to fraction form
    315,050.15/434,795.03 = 179,126.75/x
  3. Step 3: Cross multiply
    315,050.15x = 434,795.03 × 179,126.75
  4. Step 4: Simplify right side
    315,050.15x = 77,883,417,570.44
  5. Step 5: Solve for x
    x = 77,883,417,570.44/315,050.15
  6. Step 6: Final answer
    x = 247,209.59

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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.