Home / 370,460.02-555,772.04-117,817.78

Finding the Fourth Proportional to 370,460.02, 555,772.04 and 117,817.78

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Solution

The fourth proportional to 370,460.02, 555,772.04 and 117,817.78 is: 176,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,460.02 : 555,772.04 = 117,817.78 : x
  2. Step 2: Convert to fraction form
    370,460.02/555,772.04 = 117,817.78/x
  3. Step 3: Cross multiply
    370,460.02x = 555,772.04 × 117,817.78
  4. Step 4: Simplify right side
    370,460.02x = 65,479,827,938.87
  5. Step 5: Solve for x
    x = 65,479,827,938.87/370,460.02
  6. Step 6: Final answer
    x = 176,752.75

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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.