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Finding the Fourth Proportional to 261,036.90, 364,565.93 and 261,036.90

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Solution

The fourth proportional to 261,036.90, 364,565.93 and 261,036.90 is: 364,565.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,036.90 : 364,565.93 = 261,036.90 : x
  2. Step 2: Convert to fraction form
    261,036.90/364,565.93 = 261,036.90/x
  3. Step 3: Cross multiply
    261,036.90x = 364,565.93 × 261,036.90
  4. Step 4: Simplify right side
    261,036.90x = 95,165,158,907.63
  5. Step 5: Solve for x
    x = 95,165,158,907.63/261,036.90
  6. Step 6: Final answer
    x = 364,565.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.