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Finding the Fourth Proportional to 453,877.76, 626,326.48 and 249,889.94

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Solution

The fourth proportional to 453,877.76, 626,326.48 and 249,889.94 is: 344,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,877.76 : 626,326.48 = 249,889.94 : x
  2. Step 2: Convert to fraction form
    453,877.76/626,326.48 = 249,889.94/x
  3. Step 3: Cross multiply
    453,877.76x = 626,326.48 × 249,889.94
  4. Step 4: Simplify right side
    453,877.76x = 156,512,682,751.25
  5. Step 5: Solve for x
    x = 156,512,682,751.25/453,877.76
  6. Step 6: Final answer
    x = 344,834.44

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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.