Home / 459,848.34-689,771.25-144,328.86

Finding the Fourth Proportional to 459,848.34, 689,771.25 and 144,328.86

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Solution

The fourth proportional to 459,848.34, 689,771.25 and 144,328.86 is: 216,492.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,848.34 : 689,771.25 = 144,328.86 : x
  2. Step 2: Convert to fraction form
    459,848.34/689,771.25 = 144,328.86/x
  3. Step 3: Cross multiply
    459,848.34x = 689,771.25 × 144,328.86
  4. Step 4: Simplify right side
    459,848.34x = 99,553,898,173.28
  5. Step 5: Solve for x
    x = 99,553,898,173.28/459,848.34
  6. Step 6: Final answer
    x = 216,492.89

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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.