Home / 314,834.09-434,480.15-171,603.41

Finding the Fourth Proportional to 314,834.09, 434,480.15 and 171,603.41

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Solution

The fourth proportional to 314,834.09, 434,480.15 and 171,603.41 is: 236,817.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,834.09 : 434,480.15 = 171,603.41 : x
  2. Step 2: Convert to fraction form
    314,834.09/434,480.15 = 171,603.41/x
  3. Step 3: Cross multiply
    314,834.09x = 434,480.15 × 171,603.41
  4. Step 4: Simplify right side
    314,834.09x = 74,558,274,459.29
  5. Step 5: Solve for x
    x = 74,558,274,459.29/314,834.09
  6. Step 6: Final answer
    x = 236,817.67

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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.