Finding the Fourth Proportional to 316,537.91, 436,863.92 and 180,540.68
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Solution
The fourth proportional to 316,537.91, 436,863.92 and 180,540.68 is: 249,169.87
Step by Step Solution
- Step 1: Write the proportion equation
316,537.91 : 436,863.92 = 180,540.68 : x - Step 2: Convert to fraction form
316,537.91/436,863.92 = 180,540.68/x - Step 3: Cross multiply
316,537.91x = 436,863.92 × 180,540.68 - Step 4: Simplify right side
316,537.91x = 78,871,711,159.28 - Step 5: Solve for x
x = 78,871,711,159.28/316,537.91 - Step 6: Final answer
x = 249,169.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.