Finding the Fourth Proportional to 657,342.99, 986,162.18 and 208,090.80
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Solution
The fourth proportional to 657,342.99, 986,162.18 and 208,090.80 is: 312,182.95
Step by Step Solution
- Step 1: Write the proportion equation
657,342.99 : 986,162.18 = 208,090.80 : x - Step 2: Convert to fraction form
657,342.99/986,162.18 = 208,090.80/x - Step 3: Cross multiply
657,342.99x = 986,162.18 × 208,090.80 - Step 4: Simplify right side
657,342.99x = 205,211,275,925.49 - Step 5: Solve for x
x = 205,211,275,925.49/657,342.99 - Step 6: Final answer
x = 312,182.95
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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.