Home / 307,890.04-424,895.46-171,919.40

Finding the Fourth Proportional to 307,890.04, 424,895.46 and 171,919.40

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Solution

The fourth proportional to 307,890.04, 424,895.46 and 171,919.40 is: 237,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,890.04 : 424,895.46 = 171,919.40 : x
  2. Step 2: Convert to fraction form
    307,890.04/424,895.46 = 171,919.40/x
  3. Step 3: Cross multiply
    307,890.04x = 424,895.46 × 171,919.40
  4. Step 4: Simplify right side
    307,890.04x = 73,047,772,545.92
  5. Step 5: Solve for x
    x = 73,047,772,545.92/307,890.04
  6. Step 6: Final answer
    x = 237,252.80

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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.