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Finding the Fourth Proportional to 610,267.50, 915,401.25 and 236,290.50

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Solution

The fourth proportional to 610,267.50, 915,401.25 and 236,290.50 is: 354,435.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,267.50 : 915,401.25 = 236,290.50 : x
  2. Step 2: Convert to fraction form
    610,267.50/915,401.25 = 236,290.50/x
  3. Step 3: Cross multiply
    610,267.50x = 915,401.25 × 236,290.50
  4. Step 4: Simplify right side
    610,267.50x = 216,300,619,063.13
  5. Step 5: Solve for x
    x = 216,300,619,063.13/610,267.50
  6. Step 6: Final answer
    x = 354,435.75

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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.