Home / 459,942.04-689,916.12-160,421.50

Finding the Fourth Proportional to 459,942.04, 689,916.12 and 160,421.50

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Solution

The fourth proportional to 459,942.04, 689,916.12 and 160,421.50 is: 240,633.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,942.04 : 689,916.12 = 160,421.50 : x
  2. Step 2: Convert to fraction form
    459,942.04/689,916.12 = 160,421.50/x
  3. Step 3: Cross multiply
    459,942.04x = 689,916.12 × 160,421.50
  4. Step 4: Simplify right side
    459,942.04x = 110,677,378,844.58
  5. Step 5: Solve for x
    x = 110,677,378,844.58/459,942.04
  6. Step 6: Final answer
    x = 240,633.32

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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.