Home / 459,945.24-690,032.64-160,430.12

Finding the Fourth Proportional to 459,945.24, 690,032.64 and 160,430.12

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Solution

The fourth proportional to 459,945.24, 690,032.64 and 160,430.12 is: 240,685.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,945.24 : 690,032.64 = 160,430.12 : x
  2. Step 2: Convert to fraction form
    459,945.24/690,032.64 = 160,430.12/x
  3. Step 3: Cross multiply
    459,945.24x = 690,032.64 × 160,430.12
  4. Step 4: Simplify right side
    459,945.24x = 110,702,019,239.12
  5. Step 5: Solve for x
    x = 110,702,019,239.12/459,945.24
  6. Step 6: Final answer
    x = 240,685.22

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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.