Home / 219,114.50-302,378.04-118,512.50

Finding the Fourth Proportional to 219,114.50, 302,378.04 and 118,512.50

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Solution

The fourth proportional to 219,114.50, 302,378.04 and 118,512.50 is: 163,547.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,114.50 : 302,378.04 = 118,512.50 : x
  2. Step 2: Convert to fraction form
    219,114.50/302,378.04 = 118,512.50/x
  3. Step 3: Cross multiply
    219,114.50x = 302,378.04 × 118,512.50
  4. Step 4: Simplify right side
    219,114.50x = 35,835,577,465.50
  5. Step 5: Solve for x
    x = 35,835,577,465.50/219,114.50
  6. Step 6: Final answer
    x = 163,547.27

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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.