Home / 684,176.10-1,026,166.95-210,909.30

Finding the Fourth Proportional to 684,176.10, 1,026,166.95 and 210,909.30

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Solution

The fourth proportional to 684,176.10, 1,026,166.95 and 210,909.30 is: 316,333.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,176.10 : 1,026,166.95 = 210,909.30 : x
  2. Step 2: Convert to fraction form
    684,176.10/1,026,166.95 = 210,909.30/x
  3. Step 3: Cross multiply
    684,176.10x = 1,026,166.95 × 210,909.30
  4. Step 4: Simplify right side
    684,176.10x = 216,428,153,107.64
  5. Step 5: Solve for x
    x = 216,428,153,107.64/684,176.10
  6. Step 6: Final answer
    x = 316,333.99

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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.