Finding the Fourth Proportional to 380,312.01, 524,810.60 and 208,196.99
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Solution
The fourth proportional to 380,312.01, 524,810.60 and 208,196.99 is: 287,300.91
Step by Step Solution
- Step 1: Write the proportion equation
380,312.01 : 524,810.60 = 208,196.99 : x - Step 2: Convert to fraction form
380,312.01/524,810.60 = 208,196.99/x - Step 3: Cross multiply
380,312.01x = 524,810.60 × 208,196.99 - Step 4: Simplify right side
380,312.01x = 109,263,987,511.14 - Step 5: Solve for x
x = 109,263,987,511.14/380,312.01 - Step 6: Final answer
x = 287,300.91
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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.