Finding the Fourth Proportional to 661,337.75, 912,652.58 and 359,538.23
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Solution
The fourth proportional to 661,337.75, 912,652.58 and 359,538.23 is: 496,166.28
Step by Step Solution
- Step 1: Write the proportion equation
661,337.75 : 912,652.58 = 359,538.23 : x - Step 2: Convert to fraction form
661,337.75/912,652.58 = 359,538.23/x - Step 3: Cross multiply
661,337.75x = 912,652.58 × 359,538.23 - Step 4: Simplify right side
661,337.75x = 328,133,493,218.13 - Step 5: Solve for x
x = 328,133,493,218.13/661,337.75 - Step 6: Final answer
x = 496,166.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.