Finding the Fourth Proportional to 553,489.01, 830,305.88 and 198,542.69
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Solution
The fourth proportional to 553,489.01, 830,305.88 and 198,542.69 is: 297,839.99
Step by Step Solution
- Step 1: Write the proportion equation
553,489.01 : 830,305.88 = 198,542.69 : x - Step 2: Convert to fraction form
553,489.01/830,305.88 = 198,542.69/x - Step 3: Cross multiply
553,489.01x = 830,305.88 × 198,542.69 - Step 4: Simplify right side
553,489.01x = 164,851,161,945.30 - Step 5: Solve for x
x = 164,851,161,945.30/553,489.01 - Step 6: Final answer
x = 297,839.99
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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.