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Finding the Fourth Proportional to 370,600.44, 511,460.10 and 310,064.28

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Solution

The fourth proportional to 370,600.44, 511,460.10 and 310,064.28 is: 427,915.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,600.44 : 511,460.10 = 310,064.28 : x
  2. Step 2: Convert to fraction form
    370,600.44/511,460.10 = 310,064.28/x
  3. Step 3: Cross multiply
    370,600.44x = 511,460.10 × 310,064.28
  4. Step 4: Simplify right side
    370,600.44x = 158,585,507,655.23
  5. Step 5: Solve for x
    x = 158,585,507,655.23/370,600.44
  6. Step 6: Final answer
    x = 427,915.05

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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.