Finding the Fourth Proportional to 368,726.19, 508,840.79 and 207,581.64
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Solution
The fourth proportional to 368,726.19, 508,840.79 and 207,581.64 is: 286,461.90
Step by Step Solution
- Step 1: Write the proportion equation
368,726.19 : 508,840.79 = 207,581.64 : x - Step 2: Convert to fraction form
368,726.19/508,840.79 = 207,581.64/x - Step 3: Cross multiply
368,726.19x = 508,840.79 × 207,581.64 - Step 4: Simplify right side
368,726.19x = 105,626,004,649.19 - Step 5: Solve for x
x = 105,626,004,649.19/368,726.19 - Step 6: Final answer
x = 286,461.90
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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.