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Finding the Fourth Proportional to 366,547.47, 549,801.21 and 100,288.77

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Solution

The fourth proportional to 366,547.47, 549,801.21 and 100,288.77 is: 150,427.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,547.47 : 549,801.21 = 100,288.77 : x
  2. Step 2: Convert to fraction form
    366,547.47/549,801.21 = 100,288.77/x
  3. Step 3: Cross multiply
    366,547.47x = 549,801.21 × 100,288.77
  4. Step 4: Simplify right side
    366,547.47x = 55,138,887,095.41
  5. Step 5: Solve for x
    x = 55,138,887,095.41/366,547.47
  6. Step 6: Final answer
    x = 150,427.68

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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.