Finding the Fourth Proportional to 374,345.70, 561,518.55 and 125,027.70
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Solution
The fourth proportional to 374,345.70, 561,518.55 and 125,027.70 is: 187,541.55
Step by Step Solution
- Step 1: Write the proportion equation
374,345.70 : 561,518.55 = 125,027.70 : x - Step 2: Convert to fraction form
374,345.70/561,518.55 = 125,027.70/x - Step 3: Cross multiply
374,345.70x = 561,518.55 × 125,027.70 - Step 4: Simplify right side
374,345.70x = 70,205,372,813.84 - Step 5: Solve for x
x = 70,205,372,813.84/374,345.70 - Step 6: Final answer
x = 187,541.55
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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.