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Finding the Fourth Proportional to 295,425.05, 407,275.50 and 249,674.38

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Solution

The fourth proportional to 295,425.05, 407,275.50 and 249,674.38 is: 344,203.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,425.05 : 407,275.50 = 249,674.38 : x
  2. Step 2: Convert to fraction form
    295,425.05/407,275.50 = 249,674.38/x
  3. Step 3: Cross multiply
    295,425.05x = 407,275.50 × 249,674.38
  4. Step 4: Simplify right side
    295,425.05x = 101,686,257,951.69
  5. Step 5: Solve for x
    x = 101,686,257,951.69/295,425.05
  6. Step 6: Final answer
    x = 344,203.24

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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.