Home / 335,032.20-502,637.40-145,411.20

Finding the Fourth Proportional to 335,032.20, 502,637.40 and 145,411.20

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Solution

The fourth proportional to 335,032.20, 502,637.40 and 145,411.20 is: 218,155.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,032.20 : 502,637.40 = 145,411.20 : x
  2. Step 2: Convert to fraction form
    335,032.20/502,637.40 = 145,411.20/x
  3. Step 3: Cross multiply
    335,032.20x = 502,637.40 × 145,411.20
  4. Step 4: Simplify right side
    335,032.20x = 73,089,107,498.88
  5. Step 5: Solve for x
    x = 73,089,107,498.88/335,032.20
  6. Step 6: Final answer
    x = 218,155.47

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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.