Finding the Fourth Proportional to 374,447.70, 561,671.55 and 187,823.70
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Solution
The fourth proportional to 374,447.70, 561,671.55 and 187,823.70 is: 281,735.55
Step by Step Solution
- Step 1: Write the proportion equation
374,447.70 : 561,671.55 = 187,823.70 : x - Step 2: Convert to fraction form
374,447.70/561,671.55 = 187,823.70/x - Step 3: Cross multiply
374,447.70x = 561,671.55 × 187,823.70 - Step 4: Simplify right side
374,447.70x = 105,495,228,705.74 - Step 5: Solve for x
x = 105,495,228,705.74/374,447.70 - Step 6: Final answer
x = 281,735.55
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1.5x scale
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.