Home / 266,811.56-368,208.69-152,088.12

Finding the Fourth Proportional to 266,811.56, 368,208.69 and 152,088.12

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Solution

The fourth proportional to 266,811.56, 368,208.69 and 152,088.12 is: 209,886.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,811.56 : 368,208.69 = 152,088.12 : x
  2. Step 2: Convert to fraction form
    266,811.56/368,208.69 = 152,088.12/x
  3. Step 3: Cross multiply
    266,811.56x = 368,208.69 × 152,088.12
  4. Step 4: Simplify right side
    266,811.56x = 56,000,166,669.32
  5. Step 5: Solve for x
    x = 56,000,166,669.32/266,811.56
  6. Step 6: Final answer
    x = 209,886.58

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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.