Finding the Fourth Proportional to 374,030.99, 561,101.84 and 137,355.21
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Solution
The fourth proportional to 374,030.99, 561,101.84 and 137,355.21 is: 206,053.14
Step by Step Solution
- Step 1: Write the proportion equation
374,030.99 : 561,101.84 = 137,355.21 : x - Step 2: Convert to fraction form
374,030.99/561,101.84 = 137,355.21/x - Step 3: Cross multiply
374,030.99x = 561,101.84 × 137,355.21 - Step 4: Simplify right side
374,030.99x = 77,070,260,377.81 - Step 5: Solve for x
x = 77,070,260,377.81/374,030.99 - Step 6: Final answer
x = 206,053.14
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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.