Finding the Fourth Proportional to 623,697.48, 935,661.61 and 197,340.63
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Solution
The fourth proportional to 623,697.48, 935,661.61 and 197,340.63 is: 296,047.45
Step by Step Solution
- Step 1: Write the proportion equation
623,697.48 : 935,661.61 = 197,340.63 : x - Step 2: Convert to fraction form
623,697.48/935,661.61 = 197,340.63/x - Step 3: Cross multiply
623,697.48x = 935,661.61 × 197,340.63 - Step 4: Simplify right side
623,697.48x = 184,644,045,919.20 - Step 5: Solve for x
x = 184,644,045,919.20/623,697.48 - Step 6: Final answer
x = 296,047.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.