Home / 450,839.64-622,151.10-249,631.32

Finding the Fourth Proportional to 450,839.64, 622,151.10 and 249,631.32

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Solution

The fourth proportional to 450,839.64, 622,151.10 and 249,631.32 is: 344,487.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,839.64 : 622,151.10 = 249,631.32 : x
  2. Step 2: Convert to fraction form
    450,839.64/622,151.10 = 249,631.32/x
  3. Step 3: Cross multiply
    450,839.64x = 622,151.10 × 249,631.32
  4. Step 4: Simplify right side
    450,839.64x = 155,308,400,332.45
  5. Step 5: Solve for x
    x = 155,308,400,332.45/450,839.64
  6. Step 6: Final answer
    x = 344,487.01

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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.