Home / 304,442.18-420,131.03-168,485.50

Finding the Fourth Proportional to 304,442.18, 420,131.03 and 168,485.50

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Solution

The fourth proportional to 304,442.18, 420,131.03 and 168,485.50 is: 232,510.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,442.18 : 420,131.03 = 168,485.50 : x
  2. Step 2: Convert to fraction form
    304,442.18/420,131.03 = 168,485.50/x
  3. Step 3: Cross multiply
    304,442.18x = 420,131.03 × 168,485.50
  4. Step 4: Simplify right side
    304,442.18x = 70,785,987,165.54
  5. Step 5: Solve for x
    x = 70,785,987,165.54/304,442.18
  6. Step 6: Final answer
    x = 232,510.45

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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.