Home / 314,865.05-434,500.88-171,621.95

Finding the Fourth Proportional to 314,865.05, 434,500.88 and 171,621.95

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Solution

The fourth proportional to 314,865.05, 434,500.88 and 171,621.95 is: 236,831.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,865.05 : 434,500.88 = 171,621.95 : x
  2. Step 2: Convert to fraction form
    314,865.05/434,500.88 = 171,621.95/x
  3. Step 3: Cross multiply
    314,865.05x = 434,500.88 × 171,621.95
  4. Step 4: Simplify right side
    314,865.05x = 74,569,885,271.70
  5. Step 5: Solve for x
    x = 74,569,885,271.70/314,865.05
  6. Step 6: Final answer
    x = 236,831.26

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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.