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Finding the Fourth Proportional to 307,303.94, 424,045.19 and 186,474.62

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Solution

The fourth proportional to 307,303.94, 424,045.19 and 186,474.62 is: 257,314.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,303.94 : 424,045.19 = 186,474.62 : x
  2. Step 2: Convert to fraction form
    307,303.94/424,045.19 = 186,474.62/x
  3. Step 3: Cross multiply
    307,303.94x = 424,045.19 × 186,474.62
  4. Step 4: Simplify right side
    307,303.94x = 79,073,667,194.38
  5. Step 5: Solve for x
    x = 79,073,667,194.38/307,303.94
  6. Step 6: Final answer
    x = 257,314.20

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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.