Finding the Fourth Proportional to 537,972.08, 742,178.61 and 320,137.11
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Solution
The fourth proportional to 537,972.08, 742,178.61 and 320,137.11 is: 441,656.60
Step by Step Solution
- Step 1: Write the proportion equation
537,972.08 : 742,178.61 = 320,137.11 : x - Step 2: Convert to fraction form
537,972.08/742,178.61 = 320,137.11/x - Step 3: Cross multiply
537,972.08x = 742,178.61 × 320,137.11 - Step 4: Simplify right side
537,972.08x = 237,598,915,309.22 - Step 5: Solve for x
x = 237,598,915,309.22/537,972.08 - Step 6: Final answer
x = 441,656.60
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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.