Finding the Fourth Proportional to 368,748.51, 508,921.41 and 207,634.95
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Solution
The fourth proportional to 368,748.51, 508,921.41 and 207,634.95 is: 286,563.52
Step by Step Solution
- Step 1: Write the proportion equation
368,748.51 : 508,921.41 = 207,634.95 : x - Step 2: Convert to fraction form
368,748.51/508,921.41 = 207,634.95/x - Step 3: Cross multiply
368,748.51x = 508,921.41 × 207,634.95 - Step 4: Simplify right side
368,748.51x = 105,669,871,519.28 - Step 5: Solve for x
x = 105,669,871,519.28/368,748.51 - Step 6: Final answer
x = 286,563.52
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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.