Home / 286,752.90-430,181.09-118,179.55

Finding the Fourth Proportional to 286,752.90, 430,181.09 and 118,179.55

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Solution

The fourth proportional to 286,752.90, 430,181.09 and 118,179.55 is: 177,290.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,752.90 : 430,181.09 = 118,179.55 : x
  2. Step 2: Convert to fraction form
    286,752.90/430,181.09 = 118,179.55/x
  3. Step 3: Cross multiply
    286,752.90x = 430,181.09 × 118,179.55
  4. Step 4: Simplify right side
    286,752.90x = 50,838,607,634.71
  5. Step 5: Solve for x
    x = 50,838,607,634.71/286,752.90
  6. Step 6: Final answer
    x = 177,290.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.