Home / 456,223.90-684,271.05-156,718.30

Finding the Fourth Proportional to 456,223.90, 684,271.05 and 156,718.30

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Solution

The fourth proportional to 456,223.90, 684,271.05 and 156,718.30 is: 235,055.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,223.90 : 684,271.05 = 156,718.30 : x
  2. Step 2: Convert to fraction form
    456,223.90/684,271.05 = 156,718.30/x
  3. Step 3: Cross multiply
    456,223.90x = 684,271.05 × 156,718.30
  4. Step 4: Simplify right side
    456,223.90x = 107,237,795,695.22
  5. Step 5: Solve for x
    x = 107,237,795,695.22/456,223.90
  6. Step 6: Final answer
    x = 235,055.19

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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.