Finding the Fourth Proportional to 148,028.16, 204,271.36 and 91,444.48
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Solution
The fourth proportional to 148,028.16, 204,271.36 and 91,444.48 is: 126,188.75
Step by Step Solution
- Step 1: Write the proportion equation
148,028.16 : 204,271.36 = 91,444.48 : x - Step 2: Convert to fraction form
148,028.16/204,271.36 = 91,444.48/x - Step 3: Cross multiply
148,028.16x = 204,271.36 × 91,444.48 - Step 4: Simplify right side
148,028.16x = 18,679,488,294.09 - Step 5: Solve for x
x = 18,679,488,294.09/148,028.16 - Step 6: Final answer
x = 126,188.75
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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.