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Finding the Fourth Proportional to 366,648.30, 549,644.40 and 240,349.05

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Solution

The fourth proportional to 366,648.30, 549,644.40 and 240,349.05 is: 360,308.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,648.30 : 549,644.40 = 240,349.05 : x
  2. Step 2: Convert to fraction form
    366,648.30/549,644.40 = 240,349.05/x
  3. Step 3: Cross multiply
    366,648.30x = 549,644.40 × 240,349.05
  4. Step 4: Simplify right side
    366,648.30x = 132,106,509,377.82
  5. Step 5: Solve for x
    x = 132,106,509,377.82/366,648.30
  6. Step 6: Final answer
    x = 360,308.53

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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.