Finding the Fourth Proportional to 368,791.48, 508,980.72 and 207,678.04
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Solution
The fourth proportional to 368,791.48, 508,980.72 and 207,678.04 is: 286,622.99
Step by Step Solution
- Step 1: Write the proportion equation
368,791.48 : 508,980.72 = 207,678.04 : x - Step 2: Convert to fraction form
368,791.48/508,980.72 = 207,678.04/x - Step 3: Cross multiply
368,791.48x = 508,980.72 × 207,678.04 - Step 4: Simplify right side
368,791.48x = 105,704,118,327.39 - Step 5: Solve for x
x = 105,704,118,327.39/368,791.48 - Step 6: Final answer
x = 286,622.99
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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.