Home / 459,941.04-689,914.62-160,420.50

Finding the Fourth Proportional to 459,941.04, 689,914.62 and 160,420.50

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Solution

The fourth proportional to 459,941.04, 689,914.62 and 160,420.50 is: 240,631.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,941.04 : 689,914.62 = 160,420.50 : x
  2. Step 2: Convert to fraction form
    459,941.04/689,914.62 = 160,420.50/x
  3. Step 3: Cross multiply
    459,941.04x = 689,914.62 × 160,420.50
  4. Step 4: Simplify right side
    459,941.04x = 110,676,448,297.71
  5. Step 5: Solve for x
    x = 110,676,448,297.71/459,941.04
  6. Step 6: Final answer
    x = 240,631.82

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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.