Home / 369,235.12-509,585.22-214,220.56

Finding the Fourth Proportional to 369,235.12, 509,585.22 and 214,220.56

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Solution

The fourth proportional to 369,235.12, 509,585.22 and 214,220.56 is: 295,648.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,235.12 : 509,585.22 = 214,220.56 : x
  2. Step 2: Convert to fraction form
    369,235.12/509,585.22 = 214,220.56/x
  3. Step 3: Cross multiply
    369,235.12x = 509,585.22 × 214,220.56
  4. Step 4: Simplify right side
    369,235.12x = 109,163,630,125.02
  5. Step 5: Solve for x
    x = 109,163,630,125.02/369,235.12
  6. Step 6: Final answer
    x = 295,648.01

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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.