Finding the Fourth Proportional to 302,824.75, 454,237.17 and 81,208.75
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Solution
The fourth proportional to 302,824.75, 454,237.17 and 81,208.75 is: 121,813.14
Step by Step Solution
- Step 1: Write the proportion equation
302,824.75 : 454,237.17 = 81,208.75 : x - Step 2: Convert to fraction form
302,824.75/454,237.17 = 81,208.75/x - Step 3: Cross multiply
302,824.75x = 454,237.17 × 81,208.75 - Step 4: Simplify right side
302,824.75x = 36,888,032,779.24 - Step 5: Solve for x
x = 36,888,032,779.24/302,824.75 - Step 6: Final answer
x = 121,813.14
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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.