Finding the Fourth Proportional to 175,031.99, 262,561.80 and 86,237.06
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Solution
The fourth proportional to 175,031.99, 262,561.80 and 86,237.06 is: 129,362.40
Step by Step Solution
- Step 1: Write the proportion equation
175,031.99 : 262,561.80 = 86,237.06 : x - Step 2: Convert to fraction form
175,031.99/262,561.80 = 86,237.06/x - Step 3: Cross multiply
175,031.99x = 262,561.80 × 86,237.06 - Step 4: Simplify right side
175,031.99x = 22,642,557,700.31 - Step 5: Solve for x
x = 22,642,557,700.31/175,031.99 - Step 6: Final answer
x = 129,362.40
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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.