Finding the Fourth Proportional to 350,139.78, 525,157.11 and 97,393.68
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Solution
The fourth proportional to 350,139.78, 525,157.11 and 97,393.68 is: 146,075.90
Step by Step Solution
- Step 1: Write the proportion equation
350,139.78 : 525,157.11 = 97,393.68 : x - Step 2: Convert to fraction form
350,139.78/525,157.11 = 97,393.68/x - Step 3: Cross multiply
350,139.78x = 525,157.11 × 97,393.68 - Step 4: Simplify right side
350,139.78x = 51,146,983,521.06 - Step 5: Solve for x
x = 51,146,983,521.06/350,139.78 - Step 6: Final answer
x = 146,075.90
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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.