Finding the Fourth Proportional to 369,498.36, 509,922.86 and 233,482.68
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Solution
The fourth proportional to 369,498.36, 509,922.86 and 233,482.68 is: 322,215.65
Step by Step Solution
- Step 1: Write the proportion equation
369,498.36 : 509,922.86 = 233,482.68 : x - Step 2: Convert to fraction form
369,498.36/509,922.86 = 233,482.68/x - Step 3: Cross multiply
369,498.36x = 509,922.86 × 233,482.68 - Step 4: Simplify right side
369,498.36x = 119,058,154,778.65 - Step 5: Solve for x
x = 119,058,154,778.65/369,498.36 - Step 6: Final answer
x = 322,215.65
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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.