Home / 370,826.24-511,655.13-209,646.16

Finding the Fourth Proportional to 370,826.24, 511,655.13 and 209,646.16

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Solution

The fourth proportional to 370,826.24, 511,655.13 and 209,646.16 is: 289,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,826.24 : 511,655.13 = 209,646.16 : x
  2. Step 2: Convert to fraction form
    370,826.24/511,655.13 = 209,646.16/x
  3. Step 3: Cross multiply
    370,826.24x = 511,655.13 × 209,646.16
  4. Step 4: Simplify right side
    370,826.24x = 107,266,531,969.66
  5. Step 5: Solve for x
    x = 107,266,531,969.66/370,826.24
  6. Step 6: Final answer
    x = 289,263.60

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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.