Home / 434,720.04-651,953.70-168,421.20

Finding the Fourth Proportional to 434,720.04, 651,953.70 and 168,421.20

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Solution

The fourth proportional to 434,720.04, 651,953.70 and 168,421.20 is: 252,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,720.04 : 651,953.70 = 168,421.20 : x
  2. Step 2: Convert to fraction form
    434,720.04/651,953.70 = 168,421.20/x
  3. Step 3: Cross multiply
    434,720.04x = 651,953.70 × 168,421.20
  4. Step 4: Simplify right side
    434,720.04x = 109,802,824,498.44
  5. Step 5: Solve for x
    x = 109,802,824,498.44/434,720.04
  6. Step 6: Final answer
    x = 252,582.85

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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.