Home / 315,052.16-434,782.88-179,091.80

Finding the Fourth Proportional to 315,052.16, 434,782.88 and 179,091.80

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Solution

The fourth proportional to 315,052.16, 434,782.88 and 179,091.80 is: 247,152.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,052.16 : 434,782.88 = 179,091.80 : x
  2. Step 2: Convert to fraction form
    315,052.16/434,782.88 = 179,091.80/x
  3. Step 3: Cross multiply
    315,052.16x = 434,782.88 × 179,091.80
  4. Step 4: Simplify right side
    315,052.16x = 77,866,048,588.38
  5. Step 5: Solve for x
    x = 77,866,048,588.38/315,052.16
  6. Step 6: Final answer
    x = 247,152.88

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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.