Finding the Fourth Proportional to 507,726.24, 700,670.49 and 278,305.54
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Solution
The fourth proportional to 507,726.24, 700,670.49 and 278,305.54 is: 384,066.18
Step by Step Solution
- Step 1: Write the proportion equation
507,726.24 : 700,670.49 = 278,305.54 : x - Step 2: Convert to fraction form
507,726.24/700,670.49 = 278,305.54/x - Step 3: Cross multiply
507,726.24x = 700,670.49 × 278,305.54 - Step 4: Simplify right side
507,726.24x = 195,000,476,286.19 - Step 5: Solve for x
x = 195,000,476,286.19/507,726.24 - Step 6: Final answer
x = 384,066.18
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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.