Home / 670,210.73-1,005,316.61-190,376.61

Finding the Fourth Proportional to 670,210.73, 1,005,316.61 and 190,376.61

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Solution

The fourth proportional to 670,210.73, 1,005,316.61 and 190,376.61 is: 285,565.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,210.73 : 1,005,316.61 = 190,376.61 : x
  2. Step 2: Convert to fraction form
    670,210.73/1,005,316.61 = 190,376.61/x
  3. Step 3: Cross multiply
    670,210.73x = 1,005,316.61 × 190,376.61
  4. Step 4: Simplify right side
    670,210.73x = 191,388,767,236.61
  5. Step 5: Solve for x
    x = 191,388,767,236.61/670,210.73
  6. Step 6: Final answer
    x = 285,565.06

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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.