Home / 259,985.47-358,782.32-152,557.30

Finding the Fourth Proportional to 259,985.47, 358,782.32 and 152,557.30

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Solution

The fourth proportional to 259,985.47, 358,782.32 and 152,557.30 is: 210,530.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,985.47 : 358,782.32 = 152,557.30 : x
  2. Step 2: Convert to fraction form
    259,985.47/358,782.32 = 152,557.30/x
  3. Step 3: Cross multiply
    259,985.47x = 358,782.32 × 152,557.30
  4. Step 4: Simplify right side
    259,985.47x = 54,734,862,026.94
  5. Step 5: Solve for x
    x = 54,734,862,026.94/259,985.47
  6. Step 6: Final answer
    x = 210,530.47

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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.