Finding the Fourth Proportional to 179,616.99, 247,866.14 and 99,044.49
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Solution
The fourth proportional to 179,616.99, 247,866.14 and 99,044.49 is: 136,678.47
Step by Step Solution
- Step 1: Write the proportion equation
179,616.99 : 247,866.14 = 99,044.49 : x - Step 2: Convert to fraction form
179,616.99/247,866.14 = 99,044.49/x - Step 3: Cross multiply
179,616.99x = 247,866.14 × 99,044.49 - Step 4: Simplify right side
179,616.99x = 24,549,774,929.35 - Step 5: Solve for x
x = 24,549,774,929.35/179,616.99 - Step 6: Final answer
x = 136,678.47
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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.