Finding the Fourth Proportional to 417,963.18, 576,965.76 and 282,181.06
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Solution
The fourth proportional to 417,963.18, 576,965.76 and 282,181.06 is: 389,529.07
Step by Step Solution
- Step 1: Write the proportion equation
417,963.18 : 576,965.76 = 282,181.06 : x - Step 2: Convert to fraction form
417,963.18/576,965.76 = 282,181.06/x - Step 3: Cross multiply
417,963.18x = 576,965.76 × 282,181.06 - Step 4: Simplify right side
417,963.18x = 162,808,809,740.51 - Step 5: Solve for x
x = 162,808,809,740.51/417,963.18 - Step 6: Final answer
x = 389,529.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.