Finding the Fourth Proportional to 545,228.68, 818,580.52 and 376,329.08
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Solution
The fourth proportional to 545,228.68, 818,580.52 and 376,329.08 is: 565,002.66
Step by Step Solution
- Step 1: Write the proportion equation
545,228.68 : 818,580.52 = 376,329.08 : x - Step 2: Convert to fraction form
545,228.68/818,580.52 = 376,329.08/x - Step 3: Cross multiply
545,228.68x = 818,580.52 × 376,329.08 - Step 4: Simplify right side
545,228.68x = 308,055,653,997.52 - Step 5: Solve for x
x = 308,055,653,997.52/545,228.68 - Step 6: Final answer
x = 565,002.66
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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.