Home / 389,258.47-537,192.63-245,966.23

Finding the Fourth Proportional to 389,258.47, 537,192.63 and 245,966.23

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Solution

The fourth proportional to 389,258.47, 537,192.63 and 245,966.23 is: 339,443.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,258.47 : 537,192.63 = 245,966.23 : x
  2. Step 2: Convert to fraction form
    389,258.47/537,192.63 = 245,966.23/x
  3. Step 3: Cross multiply
    389,258.47x = 537,192.63 × 245,966.23
  4. Step 4: Simplify right side
    389,258.47x = 132,131,242,069.09
  5. Step 5: Solve for x
    x = 132,131,242,069.09/389,258.47
  6. Step 6: Final answer
    x = 339,443.46

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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.