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Finding the Fourth Proportional to 500,601.06, 750,999.60 and 220,117.50

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Solution

The fourth proportional to 500,601.06, 750,999.60 and 220,117.50 is: 330,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,601.06 : 750,999.60 = 220,117.50 : x
  2. Step 2: Convert to fraction form
    500,601.06/750,999.60 = 220,117.50/x
  3. Step 3: Cross multiply
    500,601.06x = 750,999.60 × 220,117.50
  4. Step 4: Simplify right side
    500,601.06x = 165,308,154,453
  5. Step 5: Solve for x
    x = 165,308,154,453/500,601.06
  6. Step 6: Final answer
    x = 330,219.35

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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.