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Finding the Fourth Proportional to 346,252.98, 519,431.30 and 109,516.98

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Solution

The fourth proportional to 346,252.98, 519,431.30 and 109,516.98 is: 164,291.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,252.98 : 519,431.30 = 109,516.98 : x
  2. Step 2: Convert to fraction form
    346,252.98/519,431.30 = 109,516.98/x
  3. Step 3: Cross multiply
    346,252.98x = 519,431.30 × 109,516.98
  4. Step 4: Simplify right side
    346,252.98x = 56,886,547,293.47
  5. Step 5: Solve for x
    x = 56,886,547,293.47/346,252.98
  6. Step 6: Final answer
    x = 164,291.86

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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.