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Finding the Fourth Proportional to 341,329.29, 471,211.51 and 249,345.28

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Solution

The fourth proportional to 341,329.29, 471,211.51 and 249,345.28 is: 344,225.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,329.29 : 471,211.51 = 249,345.28 : x
  2. Step 2: Convert to fraction form
    341,329.29/471,211.51 = 249,345.28/x
  3. Step 3: Cross multiply
    341,329.29x = 471,211.51 × 249,345.28
  4. Step 4: Simplify right side
    341,329.29x = 117,494,364,653.45
  5. Step 5: Solve for x
    x = 117,494,364,653.45/341,329.29
  6. Step 6: Final answer
    x = 344,225.85

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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.