Home / 288,482.41-432,772.82-128,616.36

Finding the Fourth Proportional to 288,482.41, 432,772.82 and 128,616.36

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Solution

The fourth proportional to 288,482.41, 432,772.82 and 128,616.36 is: 192,946.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,482.41 : 432,772.82 = 128,616.36 : x
  2. Step 2: Convert to fraction form
    288,482.41/432,772.82 = 128,616.36/x
  3. Step 3: Cross multiply
    288,482.41x = 432,772.82 × 128,616.36
  4. Step 4: Simplify right side
    288,482.41x = 55,661,663,755.13
  5. Step 5: Solve for x
    x = 55,661,663,755.13/288,482.41
  6. Step 6: Final answer
    x = 192,946.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.