Finding the Fourth Proportional to 388,555.21, 536,058.81 and 235,537.61
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Solution
The fourth proportional to 388,555.21, 536,058.81 and 235,537.61 is: 324,952.55
Step by Step Solution
- Step 1: Write the proportion equation
388,555.21 : 536,058.81 = 235,537.61 : x - Step 2: Convert to fraction form
388,555.21/536,058.81 = 235,537.61/x - Step 3: Cross multiply
388,555.21x = 536,058.81 × 235,537.61 - Step 4: Simplify right side
388,555.21x = 126,262,008,246.55 - Step 5: Solve for x
x = 126,262,008,246.55/388,555.21 - Step 6: Final answer
x = 324,952.55
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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.