Home / 355,703.25-533,555.79-145,341.19

Finding the Fourth Proportional to 355,703.25, 533,555.79 and 145,341.19

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Solution

The fourth proportional to 355,703.25, 533,555.79 and 145,341.19 is: 218,012.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,703.25 : 533,555.79 = 145,341.19 : x
  2. Step 2: Convert to fraction form
    355,703.25/533,555.79 = 145,341.19/x
  3. Step 3: Cross multiply
    355,703.25x = 533,555.79 × 145,341.19
  4. Step 4: Simplify right side
    355,703.25x = 77,547,633,449.99
  5. Step 5: Solve for x
    x = 77,547,633,449.99/355,703.25
  6. Step 6: Final answer
    x = 218,012.16

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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.