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Finding the Fourth Proportional to 370,284.08, 510,641.01 and 255,379.10

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Solution

The fourth proportional to 370,284.08, 510,641.01 and 255,379.10 is: 352,181.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,284.08 : 510,641.01 = 255,379.10 : x
  2. Step 2: Convert to fraction form
    370,284.08/510,641.01 = 255,379.10/x
  3. Step 3: Cross multiply
    370,284.08x = 510,641.01 × 255,379.10
  4. Step 4: Simplify right side
    370,284.08x = 130,407,041,556.89
  5. Step 5: Solve for x
    x = 130,407,041,556.89/370,284.08
  6. Step 6: Final answer
    x = 352,181.06

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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.