Finding the Fourth Proportional to 608,403.91, 912,536.14 and 159,168.13
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Solution
The fourth proportional to 608,403.91, 912,536.14 and 159,168.13 is: 238,733.95
Step by Step Solution
- Step 1: Write the proportion equation
608,403.91 : 912,536.14 = 159,168.13 : x - Step 2: Convert to fraction form
608,403.91/912,536.14 = 159,168.13/x - Step 3: Cross multiply
608,403.91x = 912,536.14 × 159,168.13 - Step 4: Simplify right side
608,403.91x = 145,246,668,878.84 - Step 5: Solve for x
x = 145,246,668,878.84/608,403.91 - Step 6: Final answer
x = 238,733.95
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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.