Finding the Fourth Proportional to 368,616.42, 508,691.75 and 207,473.94
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Solution
The fourth proportional to 368,616.42, 508,691.75 and 207,473.94 is: 286,314.65
Step by Step Solution
- Step 1: Write the proportion equation
368,616.42 : 508,691.75 = 207,473.94 : x - Step 2: Convert to fraction form
368,616.42/508,691.75 = 207,473.94/x - Step 3: Cross multiply
368,616.42x = 508,691.75 × 207,473.94 - Step 4: Simplify right side
368,616.42x = 105,540,280,580.63 - Step 5: Solve for x
x = 105,540,280,580.63/368,616.42 - Step 6: Final answer
x = 286,314.65
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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.