Home / 314,931.88-434,645.22-180,793

Finding the Fourth Proportional to 314,931.88, 434,645.22 and 180,793

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Solution

The fourth proportional to 314,931.88, 434,645.22 and 180,793 is: 249,516.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,931.88 : 434,645.22 = 180,793 : x
  2. Step 2: Convert to fraction form
    314,931.88/434,645.22 = 180,793/x
  3. Step 3: Cross multiply
    314,931.88x = 434,645.22 × 180,793
  4. Step 4: Simplify right side
    314,931.88x = 78,580,813,259.46
  5. Step 5: Solve for x
    x = 78,580,813,259.46/314,931.88
  6. Step 6: Final answer
    x = 249,516.86

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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.