Home / 314,722.24-434,311.20-171,483.28

Finding the Fourth Proportional to 314,722.24, 434,311.20 and 171,483.28

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Solution

The fourth proportional to 314,722.24, 434,311.20 and 171,483.28 is: 236,643.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,722.24 : 434,311.20 = 171,483.28 : x
  2. Step 2: Convert to fraction form
    314,722.24/434,311.20 = 171,483.28/x
  3. Step 3: Cross multiply
    314,722.24x = 434,311.20 × 171,483.28
  4. Step 4: Simplify right side
    314,722.24x = 74,477,109,116.74
  5. Step 5: Solve for x
    x = 74,477,109,116.74/314,722.24
  6. Step 6: Final answer
    x = 236,643.93

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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.