Home / 459,535.40-689,324.70-144,002.60

Finding the Fourth Proportional to 459,535.40, 689,324.70 and 144,002.60

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Solution

The fourth proportional to 459,535.40, 689,324.70 and 144,002.60 is: 216,010.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,535.40 : 689,324.70 = 144,002.60 : x
  2. Step 2: Convert to fraction form
    459,535.40/689,324.70 = 144,002.60/x
  3. Step 3: Cross multiply
    459,535.40x = 689,324.70 × 144,002.60
  4. Step 4: Simplify right side
    459,535.40x = 99,264,549,044.22
  5. Step 5: Solve for x
    x = 99,264,549,044.22/459,535.40
  6. Step 6: Final answer
    x = 216,010.67

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1.5x scale

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.