Home / 370,281.08-510,636.87-255,376.10

Finding the Fourth Proportional to 370,281.08, 510,636.87 and 255,376.10

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Solution

The fourth proportional to 370,281.08, 510,636.87 and 255,376.10 is: 352,176.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,281.08 : 510,636.87 = 255,376.10 : x
  2. Step 2: Convert to fraction form
    370,281.08/510,636.87 = 255,376.10/x
  3. Step 3: Cross multiply
    370,281.08x = 510,636.87 × 255,376.10
  4. Step 4: Simplify right side
    370,281.08x = 130,404,449,823.62
  5. Step 5: Solve for x
    x = 130,404,449,823.62/370,281.08
  6. Step 6: Final answer
    x = 352,176.92

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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.