Finding the Fourth Proportional to 538,631.84, 807,699.36 and 159,416.98
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Solution
The fourth proportional to 538,631.84, 807,699.36 and 159,416.98 is: 239,051.95
Step by Step Solution
- Step 1: Write the proportion equation
538,631.84 : 807,699.36 = 159,416.98 : x - Step 2: Convert to fraction form
538,631.84/807,699.36 = 159,416.98/x - Step 3: Cross multiply
538,631.84x = 807,699.36 × 159,416.98 - Step 4: Simplify right side
538,631.84x = 128,760,991,297.70 - Step 5: Solve for x
x = 128,760,991,297.70/538,631.84 - Step 6: Final answer
x = 239,051.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.