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Finding the Fourth Proportional to 219,341.57, 302,692.28 and 118,739.57

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Solution

The fourth proportional to 219,341.57, 302,692.28 and 118,739.57 is: 163,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,341.57 : 302,692.28 = 118,739.57 : x
  2. Step 2: Convert to fraction form
    219,341.57/302,692.28 = 118,739.57/x
  3. Step 3: Cross multiply
    219,341.57x = 302,692.28 × 118,739.57
  4. Step 4: Simplify right side
    219,341.57x = 35,941,549,062.36
  5. Step 5: Solve for x
    x = 35,941,549,062.36/219,341.57
  6. Step 6: Final answer
    x = 163,861.10

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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.