Home / 356,947.09-535,457.54-120,308.22

Finding the Fourth Proportional to 356,947.09, 535,457.54 and 120,308.22

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Solution

The fourth proportional to 356,947.09, 535,457.54 and 120,308.22 is: 180,474.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,947.09 : 535,457.54 = 120,308.22 : x
  2. Step 2: Convert to fraction form
    356,947.09/535,457.54 = 120,308.22/x
  3. Step 3: Cross multiply
    356,947.09x = 535,457.54 × 120,308.22
  4. Step 4: Simplify right side
    356,947.09x = 64,419,943,522.98
  5. Step 5: Solve for x
    x = 64,419,943,522.98/356,947.09
  6. Step 6: Final answer
    x = 180,474.77

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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.