Finding the Fourth Proportional to 476,369.19, 657,364.77 and 282,784.95
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Solution
The fourth proportional to 476,369.19, 657,364.77 and 282,784.95 is: 390,228.56
Step by Step Solution
- Step 1: Write the proportion equation
476,369.19 : 657,364.77 = 282,784.95 : x - Step 2: Convert to fraction form
476,369.19/657,364.77 = 282,784.95/x - Step 3: Cross multiply
476,369.19x = 657,364.77 × 282,784.95 - Step 4: Simplify right side
476,369.19x = 185,892,863,616.21 - Step 5: Solve for x
x = 185,892,863,616.21/476,369.19 - Step 6: Final answer
x = 390,228.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.