Finding the Fourth Proportional to 279,440.44, 385,627.85 and 152,116.99
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Solution
The fourth proportional to 279,440.44, 385,627.85 and 152,116.99 is: 209,921.47
Step by Step Solution
- Step 1: Write the proportion equation
279,440.44 : 385,627.85 = 152,116.99 : x - Step 2: Convert to fraction form
279,440.44/385,627.85 = 152,116.99/x - Step 3: Cross multiply
279,440.44x = 385,627.85 × 152,116.99 - Step 4: Simplify right side
279,440.44x = 58,660,547,802.17 - Step 5: Solve for x
x = 58,660,547,802.17/279,440.44 - Step 6: Final answer
x = 209,921.47
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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.