Home / 666,054.02-999,204.26-210,759.81

Finding the Fourth Proportional to 666,054.02, 999,204.26 and 210,759.81

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Solution

The fourth proportional to 666,054.02, 999,204.26 and 210,759.81 is: 316,178.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,054.02 : 999,204.26 = 210,759.81 : x
  2. Step 2: Convert to fraction form
    666,054.02/999,204.26 = 210,759.81/x
  3. Step 3: Cross multiply
    666,054.02x = 999,204.26 × 210,759.81
  4. Step 4: Simplify right side
    666,054.02x = 210,592,095,187.98
  5. Step 5: Solve for x
    x = 210,592,095,187.98/666,054.02
  6. Step 6: Final answer
    x = 316,178.70

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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.