Home / 370,617.48-511,444.26-209,451.24

Finding the Fourth Proportional to 370,617.48, 511,444.26 and 209,451.24

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Solution

The fourth proportional to 370,617.48, 511,444.26 and 209,451.24 is: 289,038.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,617.48 : 511,444.26 = 209,451.24 : x
  2. Step 2: Convert to fraction form
    370,617.48/511,444.26 = 209,451.24/x
  3. Step 3: Cross multiply
    370,617.48x = 511,444.26 × 209,451.24
  4. Step 4: Simplify right side
    370,617.48x = 107,122,634,447.88
  5. Step 5: Solve for x
    x = 107,122,634,447.88/370,617.48
  6. Step 6: Final answer
    x = 289,038.27

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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.