Finding the Fourth Proportional to 230,345.80, 317,783.57 and 152,857.99
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Solution
The fourth proportional to 230,345.80, 317,783.57 and 152,857.99 is: 210,881.89
Step by Step Solution
- Step 1: Write the proportion equation
230,345.80 : 317,783.57 = 152,857.99 : x - Step 2: Convert to fraction form
230,345.80/317,783.57 = 152,857.99/x - Step 3: Cross multiply
230,345.80x = 317,783.57 × 152,857.99 - Step 4: Simplify right side
230,345.80x = 48,575,757,765.22 - Step 5: Solve for x
x = 48,575,757,765.22/230,345.80 - Step 6: Final answer
x = 210,881.89
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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.