Finding the Fourth Proportional to 657,399.08, 986,246.40 and 208,146.80
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Solution
The fourth proportional to 657,399.08, 986,246.40 and 208,146.80 is: 312,266.99
Step by Step Solution
- Step 1: Write the proportion equation
657,399.08 : 986,246.40 = 208,146.80 : x - Step 2: Convert to fraction form
657,399.08/986,246.40 = 208,146.80/x - Step 3: Cross multiply
657,399.08x = 986,246.40 × 208,146.80 - Step 4: Simplify right side
657,399.08x = 205,284,032,171.52 - Step 5: Solve for x
x = 205,284,032,171.52/657,399.08 - Step 6: Final answer
x = 312,266.99
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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.