Home / 253,916.28-350,415.84-145,030.08

Finding the Fourth Proportional to 253,916.28, 350,415.84 and 145,030.08

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Solution

The fourth proportional to 253,916.28, 350,415.84 and 145,030.08 is: 200,148.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,916.28 : 350,415.84 = 145,030.08 : x
  2. Step 2: Convert to fraction form
    253,916.28/350,415.84 = 145,030.08/x
  3. Step 3: Cross multiply
    253,916.28x = 350,415.84 × 145,030.08
  4. Step 4: Simplify right side
    253,916.28x = 50,820,837,308.47
  5. Step 5: Solve for x
    x = 50,820,837,308.47/253,916.28
  6. Step 6: Final answer
    x = 200,148.01

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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.