Home / 346,530.55-519,795.49-130,429.63

Finding the Fourth Proportional to 346,530.55, 519,795.49 and 130,429.63

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Solution

The fourth proportional to 346,530.55, 519,795.49 and 130,429.63 is: 195,644.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,530.55 : 519,795.49 = 130,429.63 : x
  2. Step 2: Convert to fraction form
    346,530.55/519,795.49 = 130,429.63/x
  3. Step 3: Cross multiply
    346,530.55x = 519,795.49 × 130,429.63
  4. Step 4: Simplify right side
    346,530.55x = 67,796,733,436.37
  5. Step 5: Solve for x
    x = 67,796,733,436.37/346,530.55
  6. Step 6: Final answer
    x = 195,644.32

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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.