Finding the Fourth Proportional to 438,117.80, 657,176.70 and 298,149.80
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Solution
The fourth proportional to 438,117.80, 657,176.70 and 298,149.80 is: 447,224.70
Step by Step Solution
- Step 1: Write the proportion equation
438,117.80 : 657,176.70 = 298,149.80 : x - Step 2: Convert to fraction form
438,117.80/657,176.70 = 298,149.80/x - Step 3: Cross multiply
438,117.80x = 657,176.70 × 298,149.80 - Step 4: Simplify right side
438,117.80x = 195,937,101,669.66 - Step 5: Solve for x
x = 195,937,101,669.66/438,117.80 - Step 6: Final answer
x = 447,224.70
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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.