Finding the Fourth Proportional to 288,813.96, 398,751.12 and 258,547.68
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Solution
The fourth proportional to 288,813.96, 398,751.12 and 258,547.68 is: 356,963.97
Step by Step Solution
- Step 1: Write the proportion equation
288,813.96 : 398,751.12 = 258,547.68 : x - Step 2: Convert to fraction form
288,813.96/398,751.12 = 258,547.68/x - Step 3: Cross multiply
288,813.96x = 398,751.12 × 258,547.68 - Step 4: Simplify right side
288,813.96x = 103,096,176,973.40 - Step 5: Solve for x
x = 103,096,176,973.40/288,813.96 - Step 6: Final answer
x = 356,963.97
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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.