Home / 829,208.66-1,243,901.88-230,172.35

Finding the Fourth Proportional to 829,208.66, 1,243,901.88 and 230,172.35

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Solution

The fourth proportional to 829,208.66, 1,243,901.88 and 230,172.35 is: 345,283.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,208.66 : 1,243,901.88 = 230,172.35 : x
  2. Step 2: Convert to fraction form
    829,208.66/1,243,901.88 = 230,172.35/x
  3. Step 3: Cross multiply
    829,208.66x = 1,243,901.88 × 230,172.35
  4. Step 4: Simplify right side
    829,208.66x = 286,311,812,669.51
  5. Step 5: Solve for x
    x = 286,311,812,669.51/829,208.66
  6. Step 6: Final answer
    x = 345,283.19

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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.