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Finding the Fourth Proportional to 370,151.04, 510,808.40 and 206,807.58

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Solution

The fourth proportional to 370,151.04, 510,808.40 and 206,807.58 is: 285,394.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,151.04 : 510,808.40 = 206,807.58 : x
  2. Step 2: Convert to fraction form
    370,151.04/510,808.40 = 206,807.58/x
  3. Step 3: Cross multiply
    370,151.04x = 510,808.40 × 206,807.58
  4. Step 4: Simplify right side
    370,151.04x = 105,639,049,370.81
  5. Step 5: Solve for x
    x = 105,639,049,370.81/370,151.04
  6. Step 6: Final answer
    x = 285,394.44

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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.