Finding the Fourth Proportional to 340,536.68, 469,943.70 and 189,636.68
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Solution
The fourth proportional to 340,536.68, 469,943.70 and 189,636.68 is: 261,700.33
Step by Step Solution
- Step 1: Write the proportion equation
340,536.68 : 469,943.70 = 189,636.68 : x - Step 2: Convert to fraction form
340,536.68/469,943.70 = 189,636.68/x - Step 3: Cross multiply
340,536.68x = 469,943.70 × 189,636.68 - Step 4: Simplify right side
340,536.68x = 89,118,563,054.92 - Step 5: Solve for x
x = 89,118,563,054.92/340,536.68 - Step 6: Final answer
x = 261,700.33
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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.