Finding the Fourth Proportional to 660,634.60, 990,989.58 and 187,282.75
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Solution
The fourth proportional to 660,634.60, 990,989.58 and 187,282.75 is: 280,934.81
Step by Step Solution
- Step 1: Write the proportion equation
660,634.60 : 990,989.58 = 187,282.75 : x - Step 2: Convert to fraction form
660,634.60/990,989.58 = 187,282.75/x - Step 3: Cross multiply
660,634.60x = 990,989.58 × 187,282.75 - Step 4: Simplify right side
660,634.60x = 185,595,253,763.75 - Step 5: Solve for x
x = 185,595,253,763.75/660,634.60 - Step 6: Final answer
x = 280,934.81
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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.