Home / 528,410.16-792,663.46-149,336.36

Finding the Fourth Proportional to 528,410.16, 792,663.46 and 149,336.36

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Solution

The fourth proportional to 528,410.16, 792,663.46 and 149,336.36 is: 224,018.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,410.16 : 792,663.46 = 149,336.36 : x
  2. Step 2: Convert to fraction form
    528,410.16/792,663.46 = 149,336.36/x
  3. Step 3: Cross multiply
    528,410.16x = 792,663.46 × 149,336.36
  4. Step 4: Simplify right side
    528,410.16x = 118,373,475,821.41
  5. Step 5: Solve for x
    x = 118,373,475,821.41/528,410.16
  6. Step 6: Final answer
    x = 224,018.17

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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.