Finding the Fourth Proportional to 454,819.77, 627,908.40 and 302,119.68
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Solution
The fourth proportional to 454,819.77, 627,908.40 and 302,119.68 is: 417,095.95
Step by Step Solution
- Step 1: Write the proportion equation
454,819.77 : 627,908.40 = 302,119.68 : x - Step 2: Convert to fraction form
454,819.77/627,908.40 = 302,119.68/x - Step 3: Cross multiply
454,819.77x = 627,908.40 × 302,119.68 - Step 4: Simplify right side
454,819.77x = 189,703,484,877.31 - Step 5: Solve for x
x = 189,703,484,877.31/454,819.77 - Step 6: Final answer
x = 417,095.95
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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.