Finding the Fourth Proportional to 230,587.05, 318,089.12 and 187,614.60
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Solution
The fourth proportional to 230,587.05, 318,089.12 and 187,614.60 is: 258,809.69
Step by Step Solution
- Step 1: Write the proportion equation
230,587.05 : 318,089.12 = 187,614.60 : x - Step 2: Convert to fraction form
230,587.05/318,089.12 = 187,614.60/x - Step 3: Cross multiply
230,587.05x = 318,089.12 × 187,614.60 - Step 4: Simplify right side
230,587.05x = 59,678,162,075.08 - Step 5: Solve for x
x = 59,678,162,075.08/230,587.05 - Step 6: Final answer
x = 258,809.69
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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.