Finding the Fourth Proportional to 368,596.26, 508,679.20 and 207,461.74
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Solution
The fourth proportional to 368,596.26, 508,679.20 and 207,461.74 is: 286,306.41
Step by Step Solution
- Step 1: Write the proportion equation
368,596.26 : 508,679.20 = 207,461.74 : x - Step 2: Convert to fraction form
368,596.26/508,679.20 = 207,461.74/x - Step 3: Cross multiply
368,596.26x = 508,679.20 × 207,461.74 - Step 4: Simplify right side
368,596.26x = 105,531,471,933.81 - Step 5: Solve for x
x = 105,531,471,933.81/368,596.26 - Step 6: Final answer
x = 286,306.41
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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.