Finding the Fourth Proportional to 154,857.23, 213,794.58 and 97,545.68
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Solution
The fourth proportional to 154,857.23, 213,794.58 and 97,545.68 is: 134,670.74
Step by Step Solution
- Step 1: Write the proportion equation
154,857.23 : 213,794.58 = 97,545.68 : x - Step 2: Convert to fraction form
154,857.23/213,794.58 = 97,545.68/x - Step 3: Cross multiply
154,857.23x = 213,794.58 × 97,545.68 - Step 4: Simplify right side
154,857.23x = 20,854,736,909.32 - Step 5: Solve for x
x = 20,854,736,909.32/154,857.23 - Step 6: Final answer
x = 134,670.74
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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.