Finding the Fourth Proportional to 374,455.40, 561,683.10 and 232,737.80
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Solution
The fourth proportional to 374,455.40, 561,683.10 and 232,737.80 is: 349,106.70
Step by Step Solution
- Step 1: Write the proportion equation
374,455.40 : 561,683.10 = 232,737.80 : x - Step 2: Convert to fraction form
374,455.40/561,683.10 = 232,737.80/x - Step 3: Cross multiply
374,455.40x = 561,683.10 × 232,737.80 - Step 4: Simplify right side
374,455.40x = 130,724,888,991.18 - Step 5: Solve for x
x = 130,724,888,991.18/374,455.40 - Step 6: Final answer
x = 349,106.70
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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.