Home / 304,436.03-420,111.37-168,475.70

Finding the Fourth Proportional to 304,436.03, 420,111.37 and 168,475.70

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Solution

The fourth proportional to 304,436.03, 420,111.37 and 168,475.70 is: 232,490.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,436.03 : 420,111.37 = 168,475.70 : x
  2. Step 2: Convert to fraction form
    304,436.03/420,111.37 = 168,475.70/x
  3. Step 3: Cross multiply
    304,436.03x = 420,111.37 × 168,475.70
  4. Step 4: Simplify right side
    304,436.03x = 70,778,556,296.33
  5. Step 5: Solve for x
    x = 70,778,556,296.33/304,436.03
  6. Step 6: Final answer
    x = 232,490.74

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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.