Home / 459,298.04-688,973.87-139,460.34

Finding the Fourth Proportional to 459,298.04, 688,973.87 and 139,460.34

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Solution

The fourth proportional to 459,298.04, 688,973.87 and 139,460.34 is: 209,198.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,298.04 : 688,973.87 = 139,460.34 : x
  2. Step 2: Convert to fraction form
    459,298.04/688,973.87 = 139,460.34/x
  3. Step 3: Cross multiply
    459,298.04x = 688,973.87 × 139,460.34
  4. Step 4: Simplify right side
    459,298.04x = 96,084,529,471.82
  5. Step 5: Solve for x
    x = 96,084,529,471.82/459,298.04
  6. Step 6: Final answer
    x = 209,198.65

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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.