Finding the Fourth Proportional to 368,814.12, 508,937.22 and 207,678.12
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Solution
The fourth proportional to 368,814.12, 508,937.22 and 207,678.12 is: 286,581.02
Step by Step Solution
- Step 1: Write the proportion equation
368,814.12 : 508,937.22 = 207,678.12 : x - Step 2: Convert to fraction form
368,814.12/508,937.22 = 207,678.12/x - Step 3: Cross multiply
368,814.12x = 508,937.22 × 207,678.12 - Step 4: Simplify right side
368,814.12x = 105,695,125,047.63 - Step 5: Solve for x
x = 105,695,125,047.63/368,814.12 - Step 6: Final answer
x = 286,581.02
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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.