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Finding the Fourth Proportional to 219,149, 302,425.88 and 118,547

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Solution

The fourth proportional to 219,149, 302,425.88 and 118,547 is: 163,595.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,149 : 302,425.88 = 118,547 : x
  2. Step 2: Convert to fraction form
    219,149/302,425.88 = 118,547/x
  3. Step 3: Cross multiply
    219,149x = 302,425.88 × 118,547
  4. Step 4: Simplify right side
    219,149x = 35,851,680,796.36
  5. Step 5: Solve for x
    x = 35,851,680,796.36/219,149
  6. Step 6: Final answer
    x = 163,595.00

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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.