Home / 403,501.40-556,706.30-229,042.58

Finding the Fourth Proportional to 403,501.40, 556,706.30 and 229,042.58

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Solution

The fourth proportional to 403,501.40, 556,706.30 and 229,042.58 is: 316,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,501.40 : 556,706.30 = 229,042.58 : x
  2. Step 2: Convert to fraction form
    403,501.40/556,706.30 = 229,042.58/x
  3. Step 3: Cross multiply
    403,501.40x = 556,706.30 × 229,042.58
  4. Step 4: Simplify right side
    403,501.40x = 127,509,447,500.81
  5. Step 5: Solve for x
    x = 127,509,447,500.81/403,501.40
  6. Step 6: Final answer
    x = 316,007.45

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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.