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Finding the Fourth Proportional to 346,520.93, 519,477.71 and 166,516.70

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Solution

The fourth proportional to 346,520.93, 519,477.71 and 166,516.70 is: 249,629.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,520.93 : 519,477.71 = 166,516.70 : x
  2. Step 2: Convert to fraction form
    346,520.93/519,477.71 = 166,516.70/x
  3. Step 3: Cross multiply
    346,520.93x = 519,477.71 × 166,516.70
  4. Step 4: Simplify right side
    346,520.93x = 86,501,713,160.17
  5. Step 5: Solve for x
    x = 86,501,713,160.17/346,520.93
  6. Step 6: Final answer
    x = 249,629.12

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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.