Finding the Fourth Proportional to 551,567.39, 761,163.06 and 306,552.11
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Solution
The fourth proportional to 551,567.39, 761,163.06 and 306,552.11 is: 423,041.94
Step by Step Solution
- Step 1: Write the proportion equation
551,567.39 : 761,163.06 = 306,552.11 : x - Step 2: Convert to fraction form
551,567.39/761,163.06 = 306,552.11/x - Step 3: Cross multiply
551,567.39x = 761,163.06 × 306,552.11 - Step 4: Simplify right side
551,567.39x = 233,336,138,291.24 - Step 5: Solve for x
x = 233,336,138,291.24/551,567.39 - Step 6: Final answer
x = 423,041.94
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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.