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Finding the Fourth Proportional to 282,969.36, 424,407.90 and 83,243.05

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Solution

The fourth proportional to 282,969.36, 424,407.90 and 83,243.05 is: 124,851.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,969.36 : 424,407.90 = 83,243.05 : x
  2. Step 2: Convert to fraction form
    282,969.36/424,407.90 = 83,243.05/x
  3. Step 3: Cross multiply
    282,969.36x = 424,407.90 × 83,243.05
  4. Step 4: Simplify right side
    282,969.36x = 35,329,008,040.10
  5. Step 5: Solve for x
    x = 35,329,008,040.10/282,969.36
  6. Step 6: Final answer
    x = 124,851.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.