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Finding the Fourth Proportional to 485,308.08, 669,716.01 and 264,547.26

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Solution

The fourth proportional to 485,308.08, 669,716.01 and 264,547.26 is: 365,070.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,308.08 : 669,716.01 = 264,547.26 : x
  2. Step 2: Convert to fraction form
    485,308.08/669,716.01 = 264,547.26/x
  3. Step 3: Cross multiply
    485,308.08x = 669,716.01 × 264,547.26
  4. Step 4: Simplify right side
    485,308.08x = 177,171,535,423.63
  5. Step 5: Solve for x
    x = 177,171,535,423.63/485,308.08
  6. Step 6: Final answer
    x = 365,070.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.