Home / 315,164.18-434,962.78-175,476.98

Finding the Fourth Proportional to 315,164.18, 434,962.78 and 175,476.98

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Solution

The fourth proportional to 315,164.18, 434,962.78 and 175,476.98 is: 242,178.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,164.18 : 434,962.78 = 175,476.98 : x
  2. Step 2: Convert to fraction form
    315,164.18/434,962.78 = 175,476.98/x
  3. Step 3: Cross multiply
    315,164.18x = 434,962.78 × 175,476.98
  4. Step 4: Simplify right side
    315,164.18x = 76,325,955,046.80
  5. Step 5: Solve for x
    x = 76,325,955,046.80/315,164.18
  6. Step 6: Final answer
    x = 242,178.39

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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.