Home / 434,417.80-651,626.70-209,092

Finding the Fourth Proportional to 434,417.80, 651,626.70 and 209,092

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Solution

The fourth proportional to 434,417.80, 651,626.70 and 209,092 is: 313,638

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,417.80 : 651,626.70 = 209,092 : x
  2. Step 2: Convert to fraction form
    434,417.80/651,626.70 = 209,092/x
  3. Step 3: Cross multiply
    434,417.80x = 651,626.70 × 209,092
  4. Step 4: Simplify right side
    434,417.80x = 136,249,929,956.40
  5. Step 5: Solve for x
    x = 136,249,929,956.40/434,417.80
  6. Step 6: Final answer
    x = 313,638

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.