Home / 208,379.22-287,563.04-112,886.30

Finding the Fourth Proportional to 208,379.22, 287,563.04 and 112,886.30

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Solution

The fourth proportional to 208,379.22, 287,563.04 and 112,886.30 is: 155,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,379.22 : 287,563.04 = 112,886.30 : x
  2. Step 2: Convert to fraction form
    208,379.22/287,563.04 = 112,886.30/x
  3. Step 3: Cross multiply
    208,379.22x = 287,563.04 × 112,886.30
  4. Step 4: Simplify right side
    208,379.22x = 32,461,927,602.35
  5. Step 5: Solve for x
    x = 32,461,927,602.35/208,379.22
  6. Step 6: Final answer
    x = 155,782.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.