Home / 278,399.62-384,192.52-151,075.24

Finding the Fourth Proportional to 278,399.62, 384,192.52 and 151,075.24

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Solution

The fourth proportional to 278,399.62, 384,192.52 and 151,075.24 is: 208,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,399.62 : 384,192.52 = 151,075.24 : x
  2. Step 2: Convert to fraction form
    278,399.62/384,192.52 = 151,075.24/x
  3. Step 3: Cross multiply
    278,399.62x = 384,192.52 × 151,075.24
  4. Step 4: Simplify right side
    278,399.62x = 58,041,977,165.20
  5. Step 5: Solve for x
    x = 58,041,977,165.20/278,399.62
  6. Step 6: Final answer
    x = 208,484.40

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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.