Home / 436,664.56-602,564.64-245,641.12

Finding the Fourth Proportional to 436,664.56, 602,564.64 and 245,641.12

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Solution

The fourth proportional to 436,664.56, 602,564.64 and 245,641.12 is: 338,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,664.56 : 602,564.64 = 245,641.12 : x
  2. Step 2: Convert to fraction form
    436,664.56/602,564.64 = 245,641.12/x
  3. Step 3: Cross multiply
    436,664.56x = 602,564.64 × 245,641.12
  4. Step 4: Simplify right side
    436,664.56x = 148,014,653,042.00
  5. Step 5: Solve for x
    x = 148,014,653,042.00/436,664.56
  6. Step 6: Final answer
    x = 338,966.49

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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.