Finding the Fourth Proportional to 452,362.63, 624,262.12 and 245,631.28
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Solution
The fourth proportional to 452,362.63, 624,262.12 and 245,631.28 is: 338,972.09
Step by Step Solution
- Step 1: Write the proportion equation
452,362.63 : 624,262.12 = 245,631.28 : x - Step 2: Convert to fraction form
452,362.63/624,262.12 = 245,631.28/x - Step 3: Cross multiply
452,362.63x = 624,262.12 × 245,631.28 - Step 4: Simplify right side
452,362.63x = 153,338,302,362.96 - Step 5: Solve for x
x = 153,338,302,362.96/452,362.63 - Step 6: Final answer
x = 338,972.09
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1.5x scale
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.