Finding the Fourth Proportional to 357,944.68, 536,917.02 and 147,577.14
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Solution
The fourth proportional to 357,944.68, 536,917.02 and 147,577.14 is: 221,365.71
Step by Step Solution
- Step 1: Write the proportion equation
357,944.68 : 536,917.02 = 147,577.14 : x - Step 2: Convert to fraction form
357,944.68/536,917.02 = 147,577.14/x - Step 3: Cross multiply
357,944.68x = 536,917.02 × 147,577.14 - Step 4: Simplify right side
357,944.68x = 79,236,678,228.92 - Step 5: Solve for x
x = 79,236,678,228.92/357,944.68 - Step 6: Final answer
x = 221,365.71
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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.