Finding the Fourth Proportional to 351,536.58, 485,117.70 and 190,387.92
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Solution
The fourth proportional to 351,536.58, 485,117.70 and 190,387.92 is: 262,733.82
Step by Step Solution
- Step 1: Write the proportion equation
351,536.58 : 485,117.70 = 190,387.92 : x - Step 2: Convert to fraction form
351,536.58/485,117.70 = 190,387.92/x - Step 3: Cross multiply
351,536.58x = 485,117.70 × 190,387.92 - Step 4: Simplify right side
351,536.58x = 92,360,549,858.18 - Step 5: Solve for x
x = 92,360,549,858.18/351,536.58 - Step 6: Final answer
x = 262,733.82
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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.