Home / 253,431.02-349,697.18-153,923.84

Finding the Fourth Proportional to 253,431.02, 349,697.18 and 153,923.84

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Solution

The fourth proportional to 253,431.02, 349,697.18 and 153,923.84 is: 212,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,431.02 : 349,697.18 = 153,923.84 : x
  2. Step 2: Convert to fraction form
    253,431.02/349,697.18 = 153,923.84/x
  3. Step 3: Cross multiply
    253,431.02x = 349,697.18 × 153,923.84
  4. Step 4: Simplify right side
    253,431.02x = 53,826,732,782.77
  5. Step 5: Solve for x
    x = 53,826,732,782.77/253,431.02
  6. Step 6: Final answer
    x = 212,392.05

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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.