Finding the Fourth Proportional to 538,699.82, 808,058.08 and 159,658.70
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Solution
The fourth proportional to 538,699.82, 808,058.08 and 159,658.70 is: 239,490.52
Step by Step Solution
- Step 1: Write the proportion equation
538,699.82 : 808,058.08 = 159,658.70 : x - Step 2: Convert to fraction form
538,699.82/808,058.08 = 159,658.70/x - Step 3: Cross multiply
538,699.82x = 808,058.08 × 159,658.70 - Step 4: Simplify right side
538,699.82x = 129,013,502,577.30 - Step 5: Solve for x
x = 129,013,502,577.30/538,699.82 - Step 6: Final answer
x = 239,490.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.