Finding the Fourth Proportional to 452,283.21, 624,162.71 and 248,347.28
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Solution
The fourth proportional to 452,283.21, 624,162.71 and 248,347.28 is: 342,725.77
Step by Step Solution
- Step 1: Write the proportion equation
452,283.21 : 624,162.71 = 248,347.28 : x - Step 2: Convert to fraction form
452,283.21/624,162.71 = 248,347.28/x - Step 3: Cross multiply
452,283.21x = 624,162.71 × 248,347.28 - Step 4: Simplify right side
452,283.21x = 155,009,113,487.20 - Step 5: Solve for x
x = 155,009,113,487.20/452,283.21 - Step 6: Final answer
x = 342,725.77
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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.