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Finding the Fourth Proportional to 364,274.40, 546,411.60 and 306,537.60

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Solution

The fourth proportional to 364,274.40, 546,411.60 and 306,537.60 is: 459,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,274.40 : 546,411.60 = 306,537.60 : x
  2. Step 2: Convert to fraction form
    364,274.40/546,411.60 = 306,537.60/x
  3. Step 3: Cross multiply
    364,274.40x = 546,411.60 × 306,537.60
  4. Step 4: Simplify right side
    364,274.40x = 167,495,700,476.16
  5. Step 5: Solve for x
    x = 167,495,700,476.16/364,274.40
  6. Step 6: Final answer
    x = 459,806.40

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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.