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Finding the Fourth Proportional to 341,370.88, 471,269 and 249,386.94

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Solution

The fourth proportional to 341,370.88, 471,269 and 249,386.94 is: 344,283.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,370.88 : 471,269 = 249,386.94 : x
  2. Step 2: Convert to fraction form
    341,370.88/471,269 = 249,386.94/x
  3. Step 3: Cross multiply
    341,370.88x = 471,269 × 249,386.94
  4. Step 4: Simplify right side
    341,370.88x = 117,528,333,826.86
  5. Step 5: Solve for x
    x = 117,528,333,826.86/341,370.88
  6. Step 6: Final answer
    x = 344,283.42

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1.5x scale

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.