Finding the Fourth Proportional to 294,701.91, 406,688.64 and 160,565.91
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Solution
The fourth proportional to 294,701.91, 406,688.64 and 160,565.91 is: 221,580.95
Step by Step Solution
- Step 1: Write the proportion equation
294,701.91 : 406,688.64 = 160,565.91 : x - Step 2: Convert to fraction form
294,701.91/406,688.64 = 160,565.91/x - Step 3: Cross multiply
294,701.91x = 406,688.64 × 160,565.91 - Step 4: Simplify right side
294,701.91x = 65,300,329,441.06 - Step 5: Solve for x
x = 65,300,329,441.06/294,701.91 - Step 6: Final answer
x = 221,580.95
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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.