Finding the Fourth Proportional to 297,041.68, 445,555.12 and 86,681.44
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Solution
The fourth proportional to 297,041.68, 445,555.12 and 86,681.44 is: 130,020.00
Step by Step Solution
- Step 1: Write the proportion equation
297,041.68 : 445,555.12 = 86,681.44 : x - Step 2: Convert to fraction form
297,041.68/445,555.12 = 86,681.44/x - Step 3: Cross multiply
297,041.68x = 445,555.12 × 86,681.44 - Step 4: Simplify right side
297,041.68x = 38,621,359,400.97 - Step 5: Solve for x
x = 38,621,359,400.97/297,041.68 - Step 6: Final answer
x = 130,020.00
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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.