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Finding the Fourth Proportional to 540,108, 745,349.04 and 301,644

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Solution

The fourth proportional to 540,108, 745,349.04 and 301,644 is: 416,268.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,108 : 745,349.04 = 301,644 : x
  2. Step 2: Convert to fraction form
    540,108/745,349.04 = 301,644/x
  3. Step 3: Cross multiply
    540,108x = 745,349.04 × 301,644
  4. Step 4: Simplify right side
    540,108x = 224,830,065,821.76
  5. Step 5: Solve for x
    x = 224,830,065,821.76/540,108
  6. Step 6: Final answer
    x = 416,268.72

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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.