Finding the Fourth Proportional to 380,070.70, 570,106.05 and 374,165.80
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Solution
The fourth proportional to 380,070.70, 570,106.05 and 374,165.80 is: 561,248.70
Step by Step Solution
- Step 1: Write the proportion equation
380,070.70 : 570,106.05 = 374,165.80 : x - Step 2: Convert to fraction form
380,070.70/570,106.05 = 374,165.80/x - Step 3: Cross multiply
380,070.70x = 570,106.05 × 374,165.80 - Step 4: Simplify right side
380,070.70x = 213,314,186,283.09 - Step 5: Solve for x
x = 213,314,186,283.09/380,070.70 - Step 6: Final answer
x = 561,248.70
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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.