Finding the Fourth Proportional to 476,449.66, 657,312.99 and 272,390.95
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Solution
The fourth proportional to 476,449.66, 657,312.99 and 272,390.95 is: 375,792.29
Step by Step Solution
- Step 1: Write the proportion equation
476,449.66 : 657,312.99 = 272,390.95 : x - Step 2: Convert to fraction form
476,449.66/657,312.99 = 272,390.95/x - Step 3: Cross multiply
476,449.66x = 657,312.99 × 272,390.95 - Step 4: Simplify right side
476,449.66x = 179,046,109,793.44 - Step 5: Solve for x
x = 179,046,109,793.44/476,449.66 - Step 6: Final answer
x = 375,792.29
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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.