Home / 370,823.33-511,746.23-209,702.38

Finding the Fourth Proportional to 370,823.33, 511,746.23 and 209,702.38

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Solution

The fourth proportional to 370,823.33, 511,746.23 and 209,702.38 is: 289,394.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,823.33 : 511,746.23 = 209,702.38 : x
  2. Step 2: Convert to fraction form
    370,823.33/511,746.23 = 209,702.38/x
  3. Step 3: Cross multiply
    370,823.33x = 511,746.23 × 209,702.38
  4. Step 4: Simplify right side
    370,823.33x = 107,314,402,387.03
  5. Step 5: Solve for x
    x = 107,314,402,387.03/370,823.33
  6. Step 6: Final answer
    x = 289,394.96

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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.