Home / 296,684.10-445,038.44-86,322.04

Finding the Fourth Proportional to 296,684.10, 445,038.44 and 86,322.04

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Solution

The fourth proportional to 296,684.10, 445,038.44 and 86,322.04 is: 129,486.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,684.10 : 445,038.44 = 86,322.04 : x
  2. Step 2: Convert to fraction form
    296,684.10/445,038.44 = 86,322.04/x
  3. Step 3: Cross multiply
    296,684.10x = 445,038.44 × 86,322.04
  4. Step 4: Simplify right side
    296,684.10x = 38,416,626,019.22
  5. Step 5: Solve for x
    x = 38,416,626,019.22/296,684.10
  6. Step 6: Final answer
    x = 129,486.64

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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.