Home / 459,323.08-688,940.06-139,477.71

Finding the Fourth Proportional to 459,323.08, 688,940.06 and 139,477.71

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Solution

The fourth proportional to 459,323.08, 688,940.06 and 139,477.71 is: 209,203.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,323.08 : 688,940.06 = 139,477.71 : x
  2. Step 2: Convert to fraction form
    459,323.08/688,940.06 = 139,477.71/x
  3. Step 3: Cross multiply
    459,323.08x = 688,940.06 × 139,477.71
  4. Step 4: Simplify right side
    459,323.08x = 96,091,782,244.76
  5. Step 5: Solve for x
    x = 96,091,782,244.76/459,323.08
  6. Step 6: Final answer
    x = 209,203.04

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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.