Home / 314,690.29-434,272.63-171,450.31

Finding the Fourth Proportional to 314,690.29, 434,272.63 and 171,450.31

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Solution

The fourth proportional to 314,690.29, 434,272.63 and 171,450.31 is: 236,601.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,690.29 : 434,272.63 = 171,450.31 : x
  2. Step 2: Convert to fraction form
    314,690.29/434,272.63 = 171,450.31/x
  3. Step 3: Cross multiply
    314,690.29x = 434,272.63 × 171,450.31
  4. Step 4: Simplify right side
    314,690.29x = 74,456,177,038.02
  5. Step 5: Solve for x
    x = 74,456,177,038.02/314,690.29
  6. Step 6: Final answer
    x = 236,601.44

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1.5x scale

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.