Home / 358,478.92-537,533.16-105,727.22

Finding the Fourth Proportional to 358,478.92, 537,533.16 and 105,727.22

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Solution

The fourth proportional to 358,478.92, 537,533.16 and 105,727.22 is: 158,536.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,478.92 : 537,533.16 = 105,727.22 : x
  2. Step 2: Convert to fraction form
    358,478.92/537,533.16 = 105,727.22/x
  3. Step 3: Cross multiply
    358,478.92x = 537,533.16 × 105,727.22
  4. Step 4: Simplify right side
    358,478.92x = 56,831,889,214.56
  5. Step 5: Solve for x
    x = 56,831,889,214.56/358,478.92
  6. Step 6: Final answer
    x = 158,536.21

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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.