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Finding the Fourth Proportional to 219,315.84, 302,655.78 and 118,713.84

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Solution

The fourth proportional to 219,315.84, 302,655.78 and 118,713.84 is: 163,825.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,315.84 : 302,655.78 = 118,713.84 : x
  2. Step 2: Convert to fraction form
    219,315.84/302,655.78 = 118,713.84/x
  3. Step 3: Cross multiply
    219,315.84x = 302,655.78 × 118,713.84
  4. Step 4: Simplify right side
    219,315.84x = 35,929,429,842.00
  5. Step 5: Solve for x
    x = 35,929,429,842.00/219,315.84
  6. Step 6: Final answer
    x = 163,825.06

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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.