Finding the Fourth Proportional to 551,539.12, 761,206.38 and 336,803.68
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Solution
The fourth proportional to 551,539.12, 761,206.38 and 336,803.68 is: 464,839.39
Step by Step Solution
- Step 1: Write the proportion equation
551,539.12 : 761,206.38 = 336,803.68 : x - Step 2: Convert to fraction form
551,539.12/761,206.38 = 336,803.68/x - Step 3: Cross multiply
551,539.12x = 761,206.38 × 336,803.68 - Step 4: Simplify right side
551,539.12x = 256,377,110,023.48 - Step 5: Solve for x
x = 256,377,110,023.48/551,539.12 - Step 6: Final answer
x = 464,839.39
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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.