Home / 259,405.07-358,058.75-152,009.69

Finding the Fourth Proportional to 259,405.07, 358,058.75 and 152,009.69

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Solution

The fourth proportional to 259,405.07, 358,058.75 and 152,009.69 is: 209,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,405.07 : 358,058.75 = 152,009.69 : x
  2. Step 2: Convert to fraction form
    259,405.07/358,058.75 = 152,009.69/x
  3. Step 3: Cross multiply
    259,405.07x = 358,058.75 × 152,009.69
  4. Step 4: Simplify right side
    259,405.07x = 54,428,397,038.95
  5. Step 5: Solve for x
    x = 54,428,397,038.95/259,405.07
  6. Step 6: Final answer
    x = 209,820.10

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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.