Home / 459,289.08-689,312.34-234,815.16

Finding the Fourth Proportional to 459,289.08, 689,312.34 and 234,815.16

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Solution

The fourth proportional to 459,289.08, 689,312.34 and 234,815.16 is: 352,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,289.08 : 689,312.34 = 234,815.16 : x
  2. Step 2: Convert to fraction form
    459,289.08/689,312.34 = 234,815.16/x
  3. Step 3: Cross multiply
    459,289.08x = 689,312.34 × 234,815.16
  4. Step 4: Simplify right side
    459,289.08x = 161,860,987,407.07
  5. Step 5: Solve for x
    x = 161,860,987,407.07/459,289.08
  6. Step 6: Final answer
    x = 352,416.36

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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.