Finding the Fourth Proportional to 380,372.93, 524,914.68 and 210,607.05
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Solution
The fourth proportional to 380,372.93, 524,914.68 and 210,607.05 is: 290,637.75
Step by Step Solution
- Step 1: Write the proportion equation
380,372.93 : 524,914.68 = 210,607.05 : x - Step 2: Convert to fraction form
380,372.93/524,914.68 = 210,607.05/x - Step 3: Cross multiply
380,372.93x = 524,914.68 × 210,607.05 - Step 4: Simplify right side
380,372.93x = 110,550,733,830.04 - Step 5: Solve for x
x = 110,550,733,830.04/380,372.93 - Step 6: Final answer
x = 290,637.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.