Home / 304,565.36-420,159.40-197,170.16

Finding the Fourth Proportional to 304,565.36, 420,159.40 and 197,170.16

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Solution

The fourth proportional to 304,565.36, 420,159.40 and 197,170.16 is: 272,003.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,565.36 : 420,159.40 = 197,170.16 : x
  2. Step 2: Convert to fraction form
    304,565.36/420,159.40 = 197,170.16/x
  3. Step 3: Cross multiply
    304,565.36x = 420,159.40 × 197,170.16
  4. Step 4: Simplify right side
    304,565.36x = 82,842,896,123.50
  5. Step 5: Solve for x
    x = 82,842,896,123.50/304,565.36
  6. Step 6: Final answer
    x = 272,003.67

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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.