Home / 259,011.24-357,436.74-145,835.88

Finding the Fourth Proportional to 259,011.24, 357,436.74 and 145,835.88

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Solution

The fourth proportional to 259,011.24, 357,436.74 and 145,835.88 is: 201,254.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,011.24 : 357,436.74 = 145,835.88 : x
  2. Step 2: Convert to fraction form
    259,011.24/357,436.74 = 145,835.88/x
  3. Step 3: Cross multiply
    259,011.24x = 357,436.74 × 145,835.88
  4. Step 4: Simplify right side
    259,011.24x = 52,127,101,522.23
  5. Step 5: Solve for x
    x = 52,127,101,522.23/259,011.24
  6. Step 6: Final answer
    x = 201,254.21

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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.