Finding the Fourth Proportional to 545,700.12, 818,275.68 and 318,068.88
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Solution
The fourth proportional to 545,700.12, 818,275.68 and 318,068.88 is: 476,943.32
Step by Step Solution
- Step 1: Write the proportion equation
545,700.12 : 818,275.68 = 318,068.88 : x - Step 2: Convert to fraction form
545,700.12/818,275.68 = 318,068.88/x - Step 3: Cross multiply
545,700.12x = 818,275.68 × 318,068.88 - Step 4: Simplify right side
545,700.12x = 260,268,029,068.84 - Step 5: Solve for x
x = 260,268,029,068.84/545,700.12 - Step 6: Final answer
x = 476,943.32
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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.