Finding the Fourth Proportional to 657,403.08, 986,252.40 and 208,150.80
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Solution
The fourth proportional to 657,403.08, 986,252.40 and 208,150.80 is: 312,272.99
Step by Step Solution
- Step 1: Write the proportion equation
657,403.08 : 986,252.40 = 208,150.80 : x - Step 2: Convert to fraction form
657,403.08/986,252.40 = 208,150.80/x - Step 3: Cross multiply
657,403.08x = 986,252.40 × 208,150.80 - Step 4: Simplify right side
657,403.08x = 205,289,226,061.92 - Step 5: Solve for x
x = 205,289,226,061.92/657,403.08 - Step 6: Final answer
x = 312,272.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.