Home / 310,375.16-428,303.93-181,325.60

Finding the Fourth Proportional to 310,375.16, 428,303.93 and 181,325.60

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Solution

The fourth proportional to 310,375.16, 428,303.93 and 181,325.60 is: 250,221.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,375.16 : 428,303.93 = 181,325.60 : x
  2. Step 2: Convert to fraction form
    310,375.16/428,303.93 = 181,325.60/x
  3. Step 3: Cross multiply
    310,375.16x = 428,303.93 × 181,325.60
  4. Step 4: Simplify right side
    310,375.16x = 77,662,466,182.98
  5. Step 5: Solve for x
    x = 77,662,466,182.98/310,375.16
  6. Step 6: Final answer
    x = 250,221.27

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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.