Home / 304,740.95-420,510.47-168,771.33

Finding the Fourth Proportional to 304,740.95, 420,510.47 and 168,771.33

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Solution

The fourth proportional to 304,740.95, 420,510.47 and 168,771.33 is: 232,886.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,740.95 : 420,510.47 = 168,771.33 : x
  2. Step 2: Convert to fraction form
    304,740.95/420,510.47 = 168,771.33/x
  3. Step 3: Cross multiply
    304,740.95x = 420,510.47 × 168,771.33
  4. Step 4: Simplify right side
    304,740.95x = 70,970,110,456.97
  5. Step 5: Solve for x
    x = 70,970,110,456.97/304,740.95
  6. Step 6: Final answer
    x = 232,886.69

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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.