Finding the Fourth Proportional to 657,341.40, 985,331.70 and 357,187.80
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Solution
The fourth proportional to 657,341.40, 985,331.70 and 357,187.80 is: 535,411.98
Step by Step Solution
- Step 1: Write the proportion equation
657,341.40 : 985,331.70 = 357,187.80 : x - Step 2: Convert to fraction form
657,341.40/985,331.70 = 357,187.80/x - Step 3: Cross multiply
657,341.40x = 985,331.70 × 357,187.80 - Step 4: Simplify right side
657,341.40x = 351,948,462,193.26 - Step 5: Solve for x
x = 351,948,462,193.26/657,341.40 - Step 6: Final answer
x = 535,411.98
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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.