Finding the Fourth Proportional to 359,681.06, 496,359.92 and 198,536.18
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Solution
The fourth proportional to 359,681.06, 496,359.92 and 198,536.18 is: 273,979.96
Step by Step Solution
- Step 1: Write the proportion equation
359,681.06 : 496,359.92 = 198,536.18 : x - Step 2: Convert to fraction form
359,681.06/496,359.92 = 198,536.18/x - Step 3: Cross multiply
359,681.06x = 496,359.92 × 198,536.18 - Step 4: Simplify right side
359,681.06x = 98,545,402,421.91 - Step 5: Solve for x
x = 98,545,402,421.91/359,681.06 - Step 6: Final answer
x = 273,979.96
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1.5x scale
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.