Finding the Fourth Proportional to 331,493.98, 457,341.74 and 216,838.02
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Solution
The fourth proportional to 331,493.98, 457,341.74 and 216,838.02 is: 299,158.00
Step by Step Solution
- Step 1: Write the proportion equation
331,493.98 : 457,341.74 = 216,838.02 : x - Step 2: Convert to fraction form
331,493.98/457,341.74 = 216,838.02/x - Step 3: Cross multiply
331,493.98x = 457,341.74 × 216,838.02 - Step 4: Simplify right side
331,493.98x = 99,169,077,364.95 - Step 5: Solve for x
x = 99,169,077,364.95/331,493.98 - Step 6: Final answer
x = 299,158.00
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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.