Home / 305,730.18-456,536.54-249,681.56

Finding the Fourth Proportional to 305,730.18, 456,536.54 and 249,681.56

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Solution

The fourth proportional to 305,730.18, 456,536.54 and 249,681.56 is: 372,841.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,730.18 : 456,536.54 = 249,681.56 : x
  2. Step 2: Convert to fraction form
    305,730.18/456,536.54 = 249,681.56/x
  3. Step 3: Cross multiply
    305,730.18x = 456,536.54 × 249,681.56
  4. Step 4: Simplify right side
    305,730.18x = 113,988,753,845.72
  5. Step 5: Solve for x
    x = 113,988,753,845.72/305,730.18
  6. Step 6: Final answer
    x = 372,841.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.