Finding the Fourth Proportional to 144,263.16, 216,394.74 and 94,657.14
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Solution
The fourth proportional to 144,263.16, 216,394.74 and 94,657.14 is: 141,985.71
Step by Step Solution
- Step 1: Write the proportion equation
144,263.16 : 216,394.74 = 94,657.14 : x - Step 2: Convert to fraction form
144,263.16/216,394.74 = 94,657.14/x - Step 3: Cross multiply
144,263.16x = 216,394.74 × 94,657.14 - Step 4: Simplify right side
144,263.16x = 20,483,307,199.44 - Step 5: Solve for x
x = 20,483,307,199.44/144,263.16 - Step 6: Final answer
x = 141,985.71
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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.