Home / 216,339.37-324,509.30-56,415.16

Finding the Fourth Proportional to 216,339.37, 324,509.30 and 56,415.16

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Solution

The fourth proportional to 216,339.37, 324,509.30 and 56,415.16 is: 84,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,339.37 : 324,509.30 = 56,415.16 : x
  2. Step 2: Convert to fraction form
    216,339.37/324,509.30 = 56,415.16/x
  3. Step 3: Cross multiply
    216,339.37x = 324,509.30 × 56,415.16
  4. Step 4: Simplify right side
    216,339.37x = 18,307,244,080.99
  5. Step 5: Solve for x
    x = 18,307,244,080.99/216,339.37
  6. Step 6: Final answer
    x = 84,622.80

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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.