Home / 448,001.61-671,769.12-211,280.73

Finding the Fourth Proportional to 448,001.61, 671,769.12 and 211,280.73

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Solution

The fourth proportional to 448,001.61, 671,769.12 and 211,280.73 is: 316,811.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,001.61 : 671,769.12 = 211,280.73 : x
  2. Step 2: Convert to fraction form
    448,001.61/671,769.12 = 211,280.73/x
  3. Step 3: Cross multiply
    448,001.61x = 671,769.12 × 211,280.73
  4. Step 4: Simplify right side
    448,001.61x = 141,931,870,065.06
  5. Step 5: Solve for x
    x = 141,931,870,065.06/448,001.61
  6. Step 6: Final answer
    x = 316,811.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.