Home / 460,014.60-690,021.90-144,503.40

Finding the Fourth Proportional to 460,014.60, 690,021.90 and 144,503.40

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Solution

The fourth proportional to 460,014.60, 690,021.90 and 144,503.40 is: 216,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,014.60 : 690,021.90 = 144,503.40 : x
  2. Step 2: Convert to fraction form
    460,014.60/690,021.90 = 144,503.40/x
  3. Step 3: Cross multiply
    460,014.60x = 690,021.90 × 144,503.40
  4. Step 4: Simplify right side
    460,014.60x = 99,710,510,624.46
  5. Step 5: Solve for x
    x = 99,710,510,624.46/460,014.60
  6. Step 6: Final answer
    x = 216,755.10

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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.