Finding the Fourth Proportional to 368,695.19, 508,808.93 and 207,556.09
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Solution
The fourth proportional to 368,695.19, 508,808.93 and 207,556.09 is: 286,432.78
Step by Step Solution
- Step 1: Write the proportion equation
368,695.19 : 508,808.93 = 207,556.09 : x - Step 2: Convert to fraction form
368,695.19/508,808.93 = 207,556.09/x - Step 3: Cross multiply
368,695.19x = 508,808.93 × 207,556.09 - Step 4: Simplify right side
368,695.19x = 105,606,389,758.08 - Step 5: Solve for x
x = 105,606,389,758.08/368,695.19 - Step 6: Final answer
x = 286,432.78
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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.