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Finding the Fourth Proportional to 604,941.48, 907,200.78 and 178,364.10

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Solution

The fourth proportional to 604,941.48, 907,200.78 and 178,364.10 is: 267,483.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,941.48 : 907,200.78 = 178,364.10 : x
  2. Step 2: Convert to fraction form
    604,941.48/907,200.78 = 178,364.10/x
  3. Step 3: Cross multiply
    604,941.48x = 907,200.78 × 178,364.10
  4. Step 4: Simplify right side
    604,941.48x = 161,812,050,644.00
  5. Step 5: Solve for x
    x = 161,812,050,644.00/604,941.48
  6. Step 6: Final answer
    x = 267,483.81

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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.