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Finding the Fourth Proportional to 429,442.08, 592,647.12 and 248,148

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Solution

The fourth proportional to 429,442.08, 592,647.12 and 248,148 is: 342,454.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,442.08 : 592,647.12 = 248,148 : x
  2. Step 2: Convert to fraction form
    429,442.08/592,647.12 = 248,148/x
  3. Step 3: Cross multiply
    429,442.08x = 592,647.12 × 248,148
  4. Step 4: Simplify right side
    429,442.08x = 147,064,197,533.76
  5. Step 5: Solve for x
    x = 147,064,197,533.76/429,442.08
  6. Step 6: Final answer
    x = 342,454.09

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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.