Home / 369,579.99-509,982.32-272,835.30

Finding the Fourth Proportional to 369,579.99, 509,982.32 and 272,835.30

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Solution

The fourth proportional to 369,579.99, 509,982.32 and 272,835.30 is: 376,484.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,579.99 : 509,982.32 = 272,835.30 : x
  2. Step 2: Convert to fraction form
    369,579.99/509,982.32 = 272,835.30/x
  3. Step 3: Cross multiply
    369,579.99x = 509,982.32 × 272,835.30
  4. Step 4: Simplify right side
    369,579.99x = 139,141,179,953.98
  5. Step 5: Solve for x
    x = 139,141,179,953.98/369,579.99
  6. Step 6: Final answer
    x = 376,484.61

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1.5x scale

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.