Finding the Fourth Proportional to 259,090.99, 357,536.12 and 144,363.70
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Solution
The fourth proportional to 259,090.99, 357,536.12 and 144,363.70 is: 199,216.64
Step by Step Solution
- Step 1: Write the proportion equation
259,090.99 : 357,536.12 = 144,363.70 : x - Step 2: Convert to fraction form
259,090.99/357,536.12 = 144,363.70/x - Step 3: Cross multiply
259,090.99x = 357,536.12 × 144,363.70 - Step 4: Simplify right side
259,090.99x = 51,615,236,633.91 - Step 5: Solve for x
x = 51,615,236,633.91/259,090.99 - Step 6: Final answer
x = 199,216.64
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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.