Home / 500,496.96-750,863.04-145,518.72

Finding the Fourth Proportional to 500,496.96, 750,863.04 and 145,518.72

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Solution

The fourth proportional to 500,496.96, 750,863.04 and 145,518.72 is: 218,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,496.96 : 750,863.04 = 145,518.72 : x
  2. Step 2: Convert to fraction form
    500,496.96/750,863.04 = 145,518.72/x
  3. Step 3: Cross multiply
    500,496.96x = 750,863.04 × 145,518.72
  4. Step 4: Simplify right side
    500,496.96x = 109,264,628,476.11
  5. Step 5: Solve for x
    x = 109,264,628,476.11/500,496.96
  6. Step 6: Final answer
    x = 218,312.27

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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.