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Finding the Fourth Proportional to 346,526.84, 519,808.59 and 109,887.98

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Solution

The fourth proportional to 346,526.84, 519,808.59 and 109,887.98 is: 164,837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,526.84 : 519,808.59 = 109,887.98 : x
  2. Step 2: Convert to fraction form
    346,526.84/519,808.59 = 109,887.98/x
  3. Step 3: Cross multiply
    346,526.84x = 519,808.59 × 109,887.98
  4. Step 4: Simplify right side
    346,526.84x = 57,120,713,342.71
  5. Step 5: Solve for x
    x = 57,120,713,342.71/346,526.84
  6. Step 6: Final answer
    x = 164,837.77

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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.