Home / 302,023.09-453,024.15-77,385.40

Finding the Fourth Proportional to 302,023.09, 453,024.15 and 77,385.40

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Solution

The fourth proportional to 302,023.09, 453,024.15 and 77,385.40 is: 116,075.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,023.09 : 453,024.15 = 77,385.40 : x
  2. Step 2: Convert to fraction form
    302,023.09/453,024.15 = 77,385.40/x
  3. Step 3: Cross multiply
    302,023.09x = 453,024.15 × 77,385.40
  4. Step 4: Simplify right side
    302,023.09x = 35,057,455,057.41
  5. Step 5: Solve for x
    x = 35,057,455,057.41/302,023.09
  6. Step 6: Final answer
    x = 116,075.41

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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.