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Finding the Fourth Proportional to 443,937.93, 612,636.71 and 242,733.93

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Solution

The fourth proportional to 443,937.93, 612,636.71 and 242,733.93 is: 334,974.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,937.93 : 612,636.71 = 242,733.93 : x
  2. Step 2: Convert to fraction form
    443,937.93/612,636.71 = 242,733.93/x
  3. Step 3: Cross multiply
    443,937.93x = 612,636.71 × 242,733.93
  4. Step 4: Simplify right side
    443,937.93x = 148,707,716,280.57
  5. Step 5: Solve for x
    x = 148,707,716,280.57/443,937.93
  6. Step 6: Final answer
    x = 334,974.12

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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.