Home / 314,583.36-434,110.08-171,342.72

Finding the Fourth Proportional to 314,583.36, 434,110.08 and 171,342.72

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Solution

The fourth proportional to 314,583.36, 434,110.08 and 171,342.72 is: 236,444.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,583.36 : 434,110.08 = 171,342.72 : x
  2. Step 2: Convert to fraction form
    314,583.36/434,110.08 = 171,342.72/x
  3. Step 3: Cross multiply
    314,583.36x = 434,110.08 × 171,342.72
  4. Step 4: Simplify right side
    314,583.36x = 74,381,601,886.62
  5. Step 5: Solve for x
    x = 74,381,601,886.62/314,583.36
  6. Step 6: Final answer
    x = 236,444.81

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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.