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Finding the Fourth Proportional to 259,675.58, 358,412.01 and 152,280.20

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Solution

The fourth proportional to 259,675.58, 358,412.01 and 152,280.20 is: 210,181.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,675.58 : 358,412.01 = 152,280.20 : x
  2. Step 2: Convert to fraction form
    259,675.58/358,412.01 = 152,280.20/x
  3. Step 3: Cross multiply
    259,675.58x = 358,412.01 × 152,280.20
  4. Step 4: Simplify right side
    259,675.58x = 54,579,052,565.20
  5. Step 5: Solve for x
    x = 54,579,052,565.20/259,675.58
  6. Step 6: Final answer
    x = 210,181.69

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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.