Finding the Fourth Proportional to 456,408.03, 684,603.54 and 136,560.09
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Solution
The fourth proportional to 456,408.03, 684,603.54 and 136,560.09 is: 204,837.59
Step by Step Solution
- Step 1: Write the proportion equation
456,408.03 : 684,603.54 = 136,560.09 : x - Step 2: Convert to fraction form
456,408.03/684,603.54 = 136,560.09/x - Step 3: Cross multiply
456,408.03x = 684,603.54 × 136,560.09 - Step 4: Simplify right side
456,408.03x = 93,489,521,036.72 - Step 5: Solve for x
x = 93,489,521,036.72/456,408.03 - Step 6: Final answer
x = 204,837.59
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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.