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Finding the Fourth Proportional to 370,335.44, 511,094.37 and 209,220.05

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Solution

The fourth proportional to 370,335.44, 511,094.37 and 209,220.05 is: 288,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,335.44 : 511,094.37 = 209,220.05 : x
  2. Step 2: Convert to fraction form
    370,335.44/511,094.37 = 209,220.05/x
  3. Step 3: Cross multiply
    370,335.44x = 511,094.37 × 209,220.05
  4. Step 4: Simplify right side
    370,335.44x = 106,931,189,646.12
  5. Step 5: Solve for x
    x = 106,931,189,646.12/370,335.44
  6. Step 6: Final answer
    x = 288,741.44

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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.