Finding the Fourth Proportional to 368,253.51, 508,018.19 and 239,182.80
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Solution
The fourth proportional to 368,253.51, 508,018.19 and 239,182.80 is: 329,960.77
Step by Step Solution
- Step 1: Write the proportion equation
368,253.51 : 508,018.19 = 239,182.80 : x - Step 2: Convert to fraction form
368,253.51/508,018.19 = 239,182.80/x - Step 3: Cross multiply
368,253.51x = 508,018.19 × 239,182.80 - Step 4: Simplify right side
368,253.51x = 121,509,213,135.13 - Step 5: Solve for x
x = 121,509,213,135.13/368,253.51 - Step 6: Final answer
x = 329,960.77
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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.