Finding the Fourth Proportional to 427,312.10, 589,701.03 and 233,737.99
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Solution
The fourth proportional to 427,312.10, 589,701.03 and 233,737.99 is: 322,564.08
Step by Step Solution
- Step 1: Write the proportion equation
427,312.10 : 589,701.03 = 233,737.99 : x - Step 2: Convert to fraction form
427,312.10/589,701.03 = 233,737.99/x - Step 3: Cross multiply
427,312.10x = 589,701.03 × 233,737.99 - Step 4: Simplify right side
427,312.10x = 137,835,533,453.13 - Step 5: Solve for x
x = 137,835,533,453.13/427,312.10 - Step 6: Final answer
x = 322,564.08
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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.