Finding the Fourth Proportional to 657,397.08, 986,243.40 and 208,144.80
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Solution
The fourth proportional to 657,397.08, 986,243.40 and 208,144.80 is: 312,263.99
Step by Step Solution
- Step 1: Write the proportion equation
657,397.08 : 986,243.40 = 208,144.80 : x - Step 2: Convert to fraction form
657,397.08/986,243.40 = 208,144.80/x - Step 3: Cross multiply
657,397.08x = 986,243.40 × 208,144.80 - Step 4: Simplify right side
657,397.08x = 205,281,435,244.32 - Step 5: Solve for x
x = 205,281,435,244.32/657,397.08 - Step 6: Final answer
x = 312,263.99
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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.