Home / 456,210.07-684,271.12-140,582.23

Finding the Fourth Proportional to 456,210.07, 684,271.12 and 140,582.23

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Solution

The fourth proportional to 456,210.07, 684,271.12 and 140,582.23 is: 210,859.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,210.07 : 684,271.12 = 140,582.23 : x
  2. Step 2: Convert to fraction form
    456,210.07/684,271.12 = 140,582.23/x
  3. Step 3: Cross multiply
    456,210.07x = 684,271.12 × 140,582.23
  4. Step 4: Simplify right side
    456,210.07x = 96,196,359,974.20
  5. Step 5: Solve for x
    x = 96,196,359,974.20/456,210.07
  6. Step 6: Final answer
    x = 210,859.79

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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.