Home / 302,465.10-453,697.65-145,001.10

Finding the Fourth Proportional to 302,465.10, 453,697.65 and 145,001.10

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Solution

The fourth proportional to 302,465.10, 453,697.65 and 145,001.10 is: 217,501.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,465.10 : 453,697.65 = 145,001.10 : x
  2. Step 2: Convert to fraction form
    302,465.10/453,697.65 = 145,001.10/x
  3. Step 3: Cross multiply
    302,465.10x = 453,697.65 × 145,001.10
  4. Step 4: Simplify right side
    302,465.10x = 65,786,658,317.42
  5. Step 5: Solve for x
    x = 65,786,658,317.42/302,465.10
  6. Step 6: Final answer
    x = 217,501.65

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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.