Home / 459,563.40-689,366.70-144,030.60

Finding the Fourth Proportional to 459,563.40, 689,366.70 and 144,030.60

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Solution

The fourth proportional to 459,563.40, 689,366.70 and 144,030.60 is: 216,052.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,563.40 : 689,366.70 = 144,030.60 : x
  2. Step 2: Convert to fraction form
    459,563.40/689,366.70 = 144,030.60/x
  3. Step 3: Cross multiply
    459,563.40x = 689,366.70 × 144,030.60
  4. Step 4: Simplify right side
    459,563.40x = 99,289,899,421.02
  5. Step 5: Solve for x
    x = 99,289,899,421.02/459,563.40
  6. Step 6: Final answer
    x = 216,052.67

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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.