Home / 249,391.04-343,434.77-216,670.33

Finding the Fourth Proportional to 249,391.04, 343,434.77 and 216,670.33

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Solution

The fourth proportional to 249,391.04, 343,434.77 and 216,670.33 is: 298,375.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,391.04 : 343,434.77 = 216,670.33 : x
  2. Step 2: Convert to fraction form
    249,391.04/343,434.77 = 216,670.33/x
  3. Step 3: Cross multiply
    249,391.04x = 343,434.77 × 216,670.33
  4. Step 4: Simplify right side
    249,391.04x = 74,412,123,232.20
  5. Step 5: Solve for x
    x = 74,412,123,232.20/249,391.04
  6. Step 6: Final answer
    x = 298,375.29

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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.