Home / 370,701.45-511,599.74-209,585.16

Finding the Fourth Proportional to 370,701.45, 511,599.74 and 209,585.16

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Solution

The fourth proportional to 370,701.45, 511,599.74 and 209,585.16 is: 289,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,701.45 : 511,599.74 = 209,585.16 : x
  2. Step 2: Convert to fraction form
    370,701.45/511,599.74 = 209,585.16/x
  3. Step 3: Cross multiply
    370,701.45x = 511,599.74 × 209,585.16
  4. Step 4: Simplify right side
    370,701.45x = 107,223,712,315.93
  5. Step 5: Solve for x
    x = 107,223,712,315.93/370,701.45
  6. Step 6: Final answer
    x = 289,245.46

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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.