Home / 364,811.28-547,271.76-128,112.24

Finding the Fourth Proportional to 364,811.28, 547,271.76 and 128,112.24

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Solution

The fourth proportional to 364,811.28, 547,271.76 and 128,112.24 is: 192,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,811.28 : 547,271.76 = 128,112.24 : x
  2. Step 2: Convert to fraction form
    364,811.28/547,271.76 = 128,112.24/x
  3. Step 3: Cross multiply
    364,811.28x = 547,271.76 × 128,112.24
  4. Step 4: Simplify right side
    364,811.28x = 70,112,211,062.34
  5. Step 5: Solve for x
    x = 70,112,211,062.34/364,811.28
  6. Step 6: Final answer
    x = 192,187.62

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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.