Finding the Fourth Proportional to 368,487.44, 508,506.60 and 207,342.32
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Solution
The fourth proportional to 368,487.44, 508,506.60 and 207,342.32 is: 286,128.99
Step by Step Solution
- Step 1: Write the proportion equation
368,487.44 : 508,506.60 = 207,342.32 : x - Step 2: Convert to fraction form
368,487.44/508,506.60 = 207,342.32/x - Step 3: Cross multiply
368,487.44x = 508,506.60 × 207,342.32 - Step 4: Simplify right side
368,487.44x = 105,434,938,179.31 - Step 5: Solve for x
x = 105,434,938,179.31/368,487.44 - Step 6: Final answer
x = 286,128.99
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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.