Home / 314,775.19-434,389.10-171,534.89

Finding the Fourth Proportional to 314,775.19, 434,389.10 and 171,534.89

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Solution

The fourth proportional to 314,775.19, 434,389.10 and 171,534.89 is: 236,717.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,775.19 : 434,389.10 = 171,534.89 : x
  2. Step 2: Convert to fraction form
    314,775.19/434,389.10 = 171,534.89/x
  3. Step 3: Cross multiply
    314,775.19x = 434,389.10 × 171,534.89
  4. Step 4: Simplify right side
    314,775.19x = 74,512,886,485.70
  5. Step 5: Solve for x
    x = 74,512,886,485.70/314,775.19
  6. Step 6: Final answer
    x = 236,717.79

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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.