Finding the Fourth Proportional to 452,813.42, 624,224.03 and 316,424.05
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Solution
The fourth proportional to 452,813.42, 624,224.03 and 316,424.05 is: 436,205.03
Step by Step Solution
- Step 1: Write the proportion equation
452,813.42 : 624,224.03 = 316,424.05 : x - Step 2: Convert to fraction form
452,813.42/624,224.03 = 316,424.05/x - Step 3: Cross multiply
452,813.42x = 624,224.03 × 316,424.05 - Step 4: Simplify right side
452,813.42x = 197,519,492,537.24 - Step 5: Solve for x
x = 197,519,492,537.24/452,813.42 - Step 6: Final answer
x = 436,205.03
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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.