Home / 439,303.17-606,236.63-245,711.15

Finding the Fourth Proportional to 439,303.17, 606,236.63 and 245,711.15

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Solution

The fourth proportional to 439,303.17, 606,236.63 and 245,711.15 is: 339,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,303.17 : 606,236.63 = 245,711.15 : x
  2. Step 2: Convert to fraction form
    439,303.17/606,236.63 = 245,711.15/x
  3. Step 3: Cross multiply
    439,303.17x = 606,236.63 × 245,711.15
  4. Step 4: Simplify right side
    439,303.17x = 148,959,095,269.69
  5. Step 5: Solve for x
    x = 148,959,095,269.69/439,303.17
  6. Step 6: Final answer
    x = 339,080.40

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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.