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Finding the Fourth Proportional to 258,750.18, 357,003.54 and 155,357.52

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Solution

The fourth proportional to 258,750.18, 357,003.54 and 155,357.52 is: 214,350.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,750.18 : 357,003.54 = 155,357.52 : x
  2. Step 2: Convert to fraction form
    258,750.18/357,003.54 = 155,357.52/x
  3. Step 3: Cross multiply
    258,750.18x = 357,003.54 × 155,357.52
  4. Step 4: Simplify right side
    258,750.18x = 55,463,184,605.62
  5. Step 5: Solve for x
    x = 55,463,184,605.62/258,750.18
  6. Step 6: Final answer
    x = 214,350.32

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1.5x scale

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.