Finding the Fourth Proportional to 287,875.13, 397,267.70 and 160,547.99
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Solution
The fourth proportional to 287,875.13, 397,267.70 and 160,547.99 is: 221,556.23
Step by Step Solution
- Step 1: Write the proportion equation
287,875.13 : 397,267.70 = 160,547.99 : x - Step 2: Convert to fraction form
287,875.13/397,267.70 = 160,547.99/x - Step 3: Cross multiply
287,875.13x = 397,267.70 × 160,547.99 - Step 4: Simplify right side
287,875.13x = 63,780,527,937.84 - Step 5: Solve for x
x = 63,780,527,937.84/287,875.13 - Step 6: Final answer
x = 221,556.23
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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.