Home / 421,292.01-581,386.86-240,001.26

Finding the Fourth Proportional to 421,292.01, 581,386.86 and 240,001.26

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Solution

The fourth proportional to 421,292.01, 581,386.86 and 240,001.26 is: 331,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,292.01 : 581,386.86 = 240,001.26 : x
  2. Step 2: Convert to fraction form
    421,292.01/581,386.86 = 240,001.26/x
  3. Step 3: Cross multiply
    421,292.01x = 581,386.86 × 240,001.26
  4. Step 4: Simplify right side
    421,292.01x = 139,533,578,947.44
  5. Step 5: Solve for x
    x = 139,533,578,947.44/421,292.01
  6. Step 6: Final answer
    x = 331,203.95

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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.