Finding the Fourth Proportional to 297,029.80, 445,587.90 and 97,316.20
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Solution
The fourth proportional to 297,029.80, 445,587.90 and 97,316.20 is: 145,988.45
Step by Step Solution
- Step 1: Write the proportion equation
297,029.80 : 445,587.90 = 97,316.20 : x - Step 2: Convert to fraction form
297,029.80/445,587.90 = 97,316.20/x - Step 3: Cross multiply
297,029.80x = 445,587.90 × 97,316.20 - Step 4: Simplify right side
297,029.80x = 43,362,921,193.98 - Step 5: Solve for x
x = 43,362,921,193.98/297,029.80 - Step 6: Final answer
x = 145,988.45
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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.