Finding the Fourth Proportional to 486,587.58, 671,496.50 and 268,791.74
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Solution
The fourth proportional to 486,587.58, 671,496.50 and 268,791.74 is: 370,935.72
Step by Step Solution
- Step 1: Write the proportion equation
486,587.58 : 671,496.50 = 268,791.74 : x - Step 2: Convert to fraction form
486,587.58/671,496.50 = 268,791.74/x - Step 3: Cross multiply
486,587.58x = 671,496.50 × 268,791.74 - Step 4: Simplify right side
486,587.58x = 180,492,712,638.91 - Step 5: Solve for x
x = 180,492,712,638.91/486,587.58 - Step 6: Final answer
x = 370,935.72
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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.