Home / 314,555.47-434,091.49-171,315.41

Finding the Fourth Proportional to 314,555.47, 434,091.49 and 171,315.41

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Solution

The fourth proportional to 314,555.47, 434,091.49 and 171,315.41 is: 236,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,555.47 : 434,091.49 = 171,315.41 : x
  2. Step 2: Convert to fraction form
    314,555.47/434,091.49 = 171,315.41/x
  3. Step 3: Cross multiply
    314,555.47x = 434,091.49 × 171,315.41
  4. Step 4: Simplify right side
    314,555.47x = 74,366,558,988.11
  5. Step 5: Solve for x
    x = 74,366,558,988.11/314,555.47
  6. Step 6: Final answer
    x = 236,417.95

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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.