Home / 228,237.24-342,392.88-70,428.84

Finding the Fourth Proportional to 228,237.24, 342,392.88 and 70,428.84

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Solution

The fourth proportional to 228,237.24, 342,392.88 and 70,428.84 is: 105,654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,237.24 : 342,392.88 = 70,428.84 : x
  2. Step 2: Convert to fraction form
    228,237.24/342,392.88 = 70,428.84/x
  3. Step 3: Cross multiply
    228,237.24x = 342,392.88 × 70,428.84
  4. Step 4: Simplify right side
    228,237.24x = 24,114,333,362.66
  5. Step 5: Solve for x
    x = 24,114,333,362.66/228,237.24
  6. Step 6: Final answer
    x = 105,654.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.