Finding the Fourth Proportional to 438,001.84, 657,119.56 and 138,488.04
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Solution
The fourth proportional to 438,001.84, 657,119.56 and 138,488.04 is: 207,768.99
Step by Step Solution
- Step 1: Write the proportion equation
438,001.84 : 657,119.56 = 138,488.04 : x - Step 2: Convert to fraction form
438,001.84/657,119.56 = 138,488.04/x - Step 3: Cross multiply
438,001.84x = 657,119.56 × 138,488.04 - Step 4: Simplify right side
438,001.84x = 91,003,199,910.06 - Step 5: Solve for x
x = 91,003,199,910.06/438,001.84 - Step 6: Final answer
x = 207,768.99
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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.