Finding the Fourth Proportional to 380,941.08, 572,122.80 and 335,365.01
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Solution
The fourth proportional to 380,941.08, 572,122.80 and 335,365.01 is: 503,673.61
Step by Step Solution
- Step 1: Write the proportion equation
380,941.08 : 572,122.80 = 335,365.01 : x - Step 2: Convert to fraction form
380,941.08/572,122.80 = 335,365.01/x - Step 3: Cross multiply
380,941.08x = 572,122.80 × 335,365.01 - Step 4: Simplify right side
380,941.08x = 191,869,968,543.23 - Step 5: Solve for x
x = 191,869,968,543.23/380,941.08 - Step 6: Final answer
x = 503,673.61
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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.