Finding the Fourth Proportional to 171,303.57, 236,624.76 and 131,509.08
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Solution
The fourth proportional to 171,303.57, 236,624.76 and 131,509.08 is: 181,655.90
Step by Step Solution
- Step 1: Write the proportion equation
171,303.57 : 236,624.76 = 131,509.08 : x - Step 2: Convert to fraction form
171,303.57/236,624.76 = 131,509.08/x - Step 3: Cross multiply
171,303.57x = 236,624.76 × 131,509.08 - Step 4: Simplify right side
171,303.57x = 31,118,304,492.82 - Step 5: Solve for x
x = 31,118,304,492.82/171,303.57 - Step 6: Final answer
x = 181,655.90
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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.