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Finding the Fourth Proportional to 219,341.55, 302,692.31 and 118,739.55

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Solution

The fourth proportional to 219,341.55, 302,692.31 and 118,739.55 is: 163,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,341.55 : 302,692.31 = 118,739.55 : x
  2. Step 2: Convert to fraction form
    219,341.55/302,692.31 = 118,739.55/x
  3. Step 3: Cross multiply
    219,341.55x = 302,692.31 × 118,739.55
  4. Step 4: Simplify right side
    219,341.55x = 35,941,548,084.16
  5. Step 5: Solve for x
    x = 35,941,548,084.16/219,341.55
  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.