Home / 346,057.92-519,035.04-287,271.36

Finding the Fourth Proportional to 346,057.92, 519,035.04 and 287,271.36

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Solution

The fourth proportional to 346,057.92, 519,035.04 and 287,271.36 is: 430,864.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,057.92 : 519,035.04 = 287,271.36 : x
  2. Step 2: Convert to fraction form
    346,057.92/519,035.04 = 287,271.36/x
  3. Step 3: Cross multiply
    346,057.92x = 519,035.04 × 287,271.36
  4. Step 4: Simplify right side
    346,057.92x = 149,103,901,828.45
  5. Step 5: Solve for x
    x = 149,103,901,828.45/346,057.92
  6. Step 6: Final answer
    x = 430,864.01

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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.