Finding the Fourth Proportional to 219,202.16, 302,412.91 and 127,305.80
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Solution
The fourth proportional to 219,202.16, 302,412.91 and 127,305.80 is: 175,632.02
Step by Step Solution
- Step 1: Write the proportion equation
219,202.16 : 302,412.91 = 127,305.80 : x - Step 2: Convert to fraction form
219,202.16/302,412.91 = 127,305.80/x - Step 3: Cross multiply
219,202.16x = 302,412.91 × 127,305.80 - Step 4: Simplify right side
219,202.16x = 38,498,917,437.88 - Step 5: Solve for x
x = 38,498,917,437.88/219,202.16 - Step 6: Final answer
x = 175,632.02
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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.