Finding the Fourth Proportional to 342,123.99, 513,058.35 and 117,420.66
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Solution
The fourth proportional to 342,123.99, 513,058.35 and 117,420.66 is: 176,087.18
Step by Step Solution
- Step 1: Write the proportion equation
342,123.99 : 513,058.35 = 117,420.66 : x - Step 2: Convert to fraction form
342,123.99/513,058.35 = 117,420.66/x - Step 3: Cross multiply
342,123.99x = 513,058.35 × 117,420.66 - Step 4: Simplify right side
342,123.99x = 60,243,650,075.51 - Step 5: Solve for x
x = 60,243,650,075.51/342,123.99 - Step 6: Final answer
x = 176,087.18
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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.