Finding the Fourth Proportional to 341,501.40, 512,252.10 and 307,675.80
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Solution
The fourth proportional to 341,501.40, 512,252.10 and 307,675.80 is: 461,513.70
Step by Step Solution
- Step 1: Write the proportion equation
341,501.40 : 512,252.10 = 307,675.80 : x - Step 2: Convert to fraction form
341,501.40/512,252.10 = 307,675.80/x - Step 3: Cross multiply
341,501.40x = 512,252.10 × 307,675.80 - Step 4: Simplify right side
341,501.40x = 157,607,574,669.18 - Step 5: Solve for x
x = 157,607,574,669.18/341,501.40 - Step 6: Final answer
x = 461,513.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.