Finding the Fourth Proportional to 233,953.44, 351,068.40 and 86,313.12
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Solution
The fourth proportional to 233,953.44, 351,068.40 and 86,313.12 is: 129,520.68
Step by Step Solution
- Step 1: Write the proportion equation
233,953.44 : 351,068.40 = 86,313.12 : x - Step 2: Convert to fraction form
233,953.44/351,068.40 = 86,313.12/x - Step 3: Cross multiply
233,953.44x = 351,068.40 × 86,313.12 - Step 4: Simplify right side
233,953.44x = 30,301,808,937.41 - Step 5: Solve for x
x = 30,301,808,937.41/233,953.44 - Step 6: Final answer
x = 129,520.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.