Finding the Fourth Proportional to 376,648.56, 564,971.81 and 136,761.99
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Solution
The fourth proportional to 376,648.56, 564,971.81 and 136,761.99 is: 205,142.62
Step by Step Solution
- Step 1: Write the proportion equation
376,648.56 : 564,971.81 = 136,761.99 : x - Step 2: Convert to fraction form
376,648.56/564,971.81 = 136,761.99/x - Step 3: Cross multiply
376,648.56x = 564,971.81 × 136,761.99 - Step 4: Simplify right side
376,648.56x = 77,266,671,763.28 - Step 5: Solve for x
x = 77,266,671,763.28/376,648.56 - Step 6: Final answer
x = 205,142.62
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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.