Finding the Fourth Proportional to 660,123.74, 990,237.93 and 186,812.06
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Solution
The fourth proportional to 660,123.74, 990,237.93 and 186,812.06 is: 280,232.90
Step by Step Solution
- Step 1: Write the proportion equation
660,123.74 : 990,237.93 = 186,812.06 : x - Step 2: Convert to fraction form
660,123.74/990,237.93 = 186,812.06/x - Step 3: Cross multiply
660,123.74x = 990,237.93 × 186,812.06 - Step 4: Simplify right side
660,123.74x = 184,988,387,593.44 - Step 5: Solve for x
x = 184,988,387,593.44/660,123.74 - Step 6: Final answer
x = 280,232.90
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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.