Finding the Fourth Proportional to 476,424.99, 657,177.86 and 282,705.31
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Solution
The fourth proportional to 476,424.99, 657,177.86 and 282,705.31 is: 389,962.06
Step by Step Solution
- Step 1: Write the proportion equation
476,424.99 : 657,177.86 = 282,705.31 : x - Step 2: Convert to fraction form
476,424.99/657,177.86 = 282,705.31/x - Step 3: Cross multiply
476,424.99x = 657,177.86 × 282,705.31 - Step 4: Simplify right side
476,424.99x = 185,787,672,422.77 - Step 5: Solve for x
x = 185,787,672,422.77/476,424.99 - Step 6: Final answer
x = 389,962.06
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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.