Finding the Fourth Proportional to 291,344.68, 402,094.02 and 164,045.08
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Solution
The fourth proportional to 291,344.68, 402,094.02 and 164,045.08 is: 226,403.81
Step by Step Solution
- Step 1: Write the proportion equation
291,344.68 : 402,094.02 = 164,045.08 : x - Step 2: Convert to fraction form
291,344.68/402,094.02 = 164,045.08/x - Step 3: Cross multiply
291,344.68x = 402,094.02 × 164,045.08 - Step 4: Simplify right side
291,344.68x = 65,961,545,678.42 - Step 5: Solve for x
x = 65,961,545,678.42/291,344.68 - Step 6: Final answer
x = 226,403.81
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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.