Finding the Fourth Proportional to 478,788.58, 718,354.35 and 205,119.95
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Solution
The fourth proportional to 478,788.58, 718,354.35 and 205,119.95 is: 307,753.39
Step by Step Solution
- Step 1: Write the proportion equation
478,788.58 : 718,354.35 = 205,119.95 : x - Step 2: Convert to fraction form
478,788.58/718,354.35 = 205,119.95/x - Step 3: Cross multiply
478,788.58x = 718,354.35 × 205,119.95 - Step 4: Simplify right side
478,788.58x = 147,348,810,150.17 - Step 5: Solve for x
x = 147,348,810,150.17/478,788.58 - Step 6: Final answer
x = 307,753.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.