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Finding the Fourth Proportional to 242,312.79, 334,402.61 and 134,889.60

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Solution

The fourth proportional to 242,312.79, 334,402.61 and 134,889.60 is: 186,153.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,312.79 : 334,402.61 = 134,889.60 : x
  2. Step 2: Convert to fraction form
    242,312.79/334,402.61 = 134,889.60/x
  3. Step 3: Cross multiply
    242,312.79x = 334,402.61 × 134,889.60
  4. Step 4: Simplify right side
    242,312.79x = 45,107,433,627.41
  5. Step 5: Solve for x
    x = 45,107,433,627.41/242,312.79
  6. Step 6: Final answer
    x = 186,153.75

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