Finding the Fourth Proportional to 333,493.08, 460,485.84 and 307,990.08
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Solution
The fourth proportional to 333,493.08, 460,485.84 and 307,990.08 is: 425,271.41
Step by Step Solution
- Step 1: Write the proportion equation
333,493.08 : 460,485.84 = 307,990.08 : x - Step 2: Convert to fraction form
333,493.08/460,485.84 = 307,990.08/x - Step 3: Cross multiply
333,493.08x = 460,485.84 × 307,990.08 - Step 4: Simplify right side
333,493.08x = 141,825,070,700.47 - Step 5: Solve for x
x = 141,825,070,700.47/333,493.08 - Step 6: Final answer
x = 425,271.41
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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.