Home / 315,050.16-434,780.12-179,089.80

Finding the Fourth Proportional to 315,050.16, 434,780.12 and 179,089.80

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Solution

The fourth proportional to 315,050.16, 434,780.12 and 179,089.80 is: 247,150.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,050.16 : 434,780.12 = 179,089.80 : x
  2. Step 2: Convert to fraction form
    315,050.16/434,780.12 = 179,089.80/x
  3. Step 3: Cross multiply
    315,050.16x = 434,780.12 × 179,089.80
  4. Step 4: Simplify right side
    315,050.16x = 77,864,684,734.78
  5. Step 5: Solve for x
    x = 77,864,684,734.78/315,050.16
  6. Step 6: Final answer
    x = 247,150.12

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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.