Finding the Fourth Proportional to 368,726.36, 508,851.87 and 207,587.13
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Solution
The fourth proportional to 368,726.36, 508,851.87 and 207,587.13 is: 286,475.59
Step by Step Solution
- Step 1: Write the proportion equation
368,726.36 : 508,851.87 = 207,587.13 : x - Step 2: Convert to fraction form
368,726.36/508,851.87 = 207,587.13/x - Step 3: Cross multiply
368,726.36x = 508,851.87 × 207,587.13 - Step 4: Simplify right side
368,726.36x = 105,631,099,288.43 - Step 5: Solve for x
x = 105,631,099,288.43/368,726.36 - Step 6: Final answer
x = 286,475.59
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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.