Finding the Fourth Proportional to 545,452.20, 817,595.10 and 245,881.80
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Solution
The fourth proportional to 545,452.20, 817,595.10 and 245,881.80 is: 368,559.80
Step by Step Solution
- Step 1: Write the proportion equation
545,452.20 : 817,595.10 = 245,881.80 : x - Step 2: Convert to fraction form
545,452.20/817,595.10 = 245,881.80/x - Step 3: Cross multiply
545,452.20x = 817,595.10 × 245,881.80 - Step 4: Simplify right side
545,452.20x = 201,031,754,859.18 - Step 5: Solve for x
x = 201,031,754,859.18/545,452.20 - Step 6: Final answer
x = 368,559.80
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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.