Finding the Fourth Proportional to 172,603.42, 258,944.34 and 52,671.09
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Solution
The fourth proportional to 172,603.42, 258,944.34 and 52,671.09 is: 79,018.60
Step by Step Solution
- Step 1: Write the proportion equation
172,603.42 : 258,944.34 = 52,671.09 : x - Step 2: Convert to fraction form
172,603.42/258,944.34 = 52,671.09/x - Step 3: Cross multiply
172,603.42x = 258,944.34 × 52,671.09 - Step 4: Simplify right side
172,603.42x = 13,638,880,637.13 - Step 5: Solve for x
x = 13,638,880,637.13/172,603.42 - Step 6: Final answer
x = 79,018.60
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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.