Home / 434,853.19-652,341.32-135,364.04

Finding the Fourth Proportional to 434,853.19, 652,341.32 and 135,364.04

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Solution

The fourth proportional to 434,853.19, 652,341.32 and 135,364.04 is: 203,065.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,853.19 : 652,341.32 = 135,364.04 : x
  2. Step 2: Convert to fraction form
    434,853.19/652,341.32 = 135,364.04/x
  3. Step 3: Cross multiply
    434,853.19x = 652,341.32 × 135,364.04
  4. Step 4: Simplify right side
    434,853.19x = 88,303,555,549.50
  5. Step 5: Solve for x
    x = 88,303,555,549.50/434,853.19
  6. Step 6: Final answer
    x = 203,065.21

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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.