Finding the Fourth Proportional to 540,164.68, 745,407.14 and 298,442.08
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Solution
The fourth proportional to 540,164.68, 745,407.14 and 298,442.08 is: 411,838.95
Step by Step Solution
- Step 1: Write the proportion equation
540,164.68 : 745,407.14 = 298,442.08 : x - Step 2: Convert to fraction form
540,164.68/745,407.14 = 298,442.08/x - Step 3: Cross multiply
540,164.68x = 745,407.14 × 298,442.08 - Step 4: Simplify right side
540,164.68x = 222,460,857,308.45 - Step 5: Solve for x
x = 222,460,857,308.45/540,164.68 - Step 6: Final answer
x = 411,838.95
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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.