Home / 370,981.08-511,899.55-207,636.48

Finding the Fourth Proportional to 370,981.08, 511,899.55 and 207,636.48

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Solution

The fourth proportional to 370,981.08, 511,899.55 and 207,636.48 is: 286,507.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,981.08 : 511,899.55 = 207,636.48 : x
  2. Step 2: Convert to fraction form
    370,981.08/511,899.55 = 207,636.48/x
  3. Step 3: Cross multiply
    370,981.08x = 511,899.55 × 207,636.48
  4. Step 4: Simplify right side
    370,981.08x = 106,289,020,156.49
  5. Step 5: Solve for x
    x = 106,289,020,156.49/370,981.08
  6. Step 6: Final answer
    x = 286,507.93

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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.