Home / 219,023.40-328,880.70-160,271.40

Finding the Fourth Proportional to 219,023.40, 328,880.70 and 160,271.40

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Solution

The fourth proportional to 219,023.40, 328,880.70 and 160,271.40 is: 240,659.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,023.40 : 328,880.70 = 160,271.40 : x
  2. Step 2: Convert to fraction form
    219,023.40/328,880.70 = 160,271.40/x
  3. Step 3: Cross multiply
    219,023.40x = 328,880.70 × 160,271.40
  4. Step 4: Simplify right side
    219,023.40x = 52,710,170,221.98
  5. Step 5: Solve for x
    x = 52,710,170,221.98/219,023.40
  6. Step 6: Final answer
    x = 240,659.99

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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.