Finding the Fourth Proportional to 291,332.66, 402,039.72 and 162,270.09
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Solution
The fourth proportional to 291,332.66, 402,039.72 and 162,270.09 is: 223,933.09
Step by Step Solution
- Step 1: Write the proportion equation
291,332.66 : 402,039.72 = 162,270.09 : x - Step 2: Convert to fraction form
291,332.66/402,039.72 = 162,270.09/x - Step 3: Cross multiply
291,332.66x = 402,039.72 × 162,270.09 - Step 4: Simplify right side
291,332.66x = 65,239,021,547.97 - Step 5: Solve for x
x = 65,239,021,547.97/291,332.66 - Step 6: Final answer
x = 223,933.09
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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.