Finding the Fourth Proportional to 452,478.96, 624,393.36 and 248,490.18
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Solution
The fourth proportional to 452,478.96, 624,393.36 and 248,490.18 is: 342,901.29
Step by Step Solution
- Step 1: Write the proportion equation
452,478.96 : 624,393.36 = 248,490.18 : x - Step 2: Convert to fraction form
452,478.96/624,393.36 = 248,490.18/x - Step 3: Cross multiply
452,478.96x = 624,393.36 × 248,490.18 - Step 4: Simplify right side
452,478.96x = 155,155,618,417.21 - Step 5: Solve for x
x = 155,155,618,417.21/452,478.96 - Step 6: Final answer
x = 342,901.29
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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.