Finding the Fourth Proportional to 657,340.24, 986,158.05 and 208,088.05
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Solution
The fourth proportional to 657,340.24, 986,158.05 and 208,088.05 is: 312,178.83
Step by Step Solution
- Step 1: Write the proportion equation
657,340.24 : 986,158.05 = 208,088.05 : x - Step 2: Convert to fraction form
657,340.24/986,158.05 = 208,088.05/x - Step 3: Cross multiply
657,340.24x = 986,158.05 × 208,088.05 - Step 4: Simplify right side
657,340.24x = 205,207,705,616.30 - Step 5: Solve for x
x = 205,207,705,616.30/657,340.24 - Step 6: Final answer
x = 312,178.83
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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.