Home / 258,763.02-357,089.31-145,585.50

Finding the Fourth Proportional to 258,763.02, 357,089.31 and 145,585.50

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Solution

The fourth proportional to 258,763.02, 357,089.31 and 145,585.50 is: 200,905.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,763.02 : 357,089.31 = 145,585.50 : x
  2. Step 2: Convert to fraction form
    258,763.02/357,089.31 = 145,585.50/x
  3. Step 3: Cross multiply
    258,763.02x = 357,089.31 × 145,585.50
  4. Step 4: Simplify right side
    258,763.02x = 51,987,025,741.01
  5. Step 5: Solve for x
    x = 51,987,025,741.01/258,763.02
  6. Step 6: Final answer
    x = 200,905.93

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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.