Finding the Fourth Proportional to 230,348.80, 317,787.71 and 152,860.99
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Solution
The fourth proportional to 230,348.80, 317,787.71 and 152,860.99 is: 210,886.03
Step by Step Solution
- Step 1: Write the proportion equation
230,348.80 : 317,787.71 = 152,860.99 : x - Step 2: Convert to fraction form
230,348.80/317,787.71 = 152,860.99/x - Step 3: Cross multiply
230,348.80x = 317,787.71 × 152,860.99 - Step 4: Simplify right side
230,348.80x = 48,577,343,960.43 - Step 5: Solve for x
x = 48,577,343,960.43/230,348.80 - Step 6: Final answer
x = 210,886.03
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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.