Home / 219,277.78-302,603.34-118,675.78

Finding the Fourth Proportional to 219,277.78, 302,603.34 and 118,675.78

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Solution

The fourth proportional to 219,277.78, 302,603.34 and 118,675.78 is: 163,772.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,277.78 : 302,603.34 = 118,675.78 : x
  2. Step 2: Convert to fraction form
    219,277.78/302,603.34 = 118,675.78/x
  3. Step 3: Cross multiply
    219,277.78x = 302,603.34 × 118,675.78
  4. Step 4: Simplify right side
    219,277.78x = 35,911,687,405.11
  5. Step 5: Solve for x
    x = 35,911,687,405.11/219,277.78
  6. Step 6: Final answer
    x = 163,772.58

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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.