Finding the Fourth Proportional to 294,293.91, 406,248.99 and 198,929.77
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Solution
The fourth proportional to 294,293.91, 406,248.99 and 198,929.77 is: 274,606.50
Step by Step Solution
- Step 1: Write the proportion equation
294,293.91 : 406,248.99 = 198,929.77 : x - Step 2: Convert to fraction form
294,293.91/406,248.99 = 198,929.77/x - Step 3: Cross multiply
294,293.91x = 406,248.99 × 198,929.77 - Step 4: Simplify right side
294,293.91x = 80,815,020,345.44 - Step 5: Solve for x
x = 80,815,020,345.44/294,293.91 - Step 6: Final answer
x = 274,606.50
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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.