Home / 304,032.15-419,682.67-272,145.69

Finding the Fourth Proportional to 304,032.15, 419,682.67 and 272,145.69

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Solution

The fourth proportional to 304,032.15, 419,682.67 and 272,145.69 is: 375,666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,032.15 : 419,682.67 = 272,145.69 : x
  2. Step 2: Convert to fraction form
    304,032.15/419,682.67 = 272,145.69/x
  3. Step 3: Cross multiply
    304,032.15x = 419,682.67 × 272,145.69
  4. Step 4: Simplify right side
    304,032.15x = 114,214,829,127.83
  5. Step 5: Solve for x
    x = 114,214,829,127.83/304,032.15
  6. Step 6: Final answer
    x = 375,666.95

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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.