Finding the Fourth Proportional to 657,346.99, 986,168.19 and 208,094.80
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Solution
The fourth proportional to 657,346.99, 986,168.19 and 208,094.80 is: 312,188.96
Step by Step Solution
- Step 1: Write the proportion equation
657,346.99 : 986,168.19 = 208,094.80 : x - Step 2: Convert to fraction form
657,346.99/986,168.19 = 208,094.80/x - Step 3: Cross multiply
657,346.99x = 986,168.19 × 208,094.80 - Step 4: Simplify right side
657,346.99x = 205,216,472,264.41 - Step 5: Solve for x
x = 205,216,472,264.41/657,346.99 - Step 6: Final answer
x = 312,188.96
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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.