Finding the Fourth Proportional to 382,701.08, 528,172.98 and 219,416.02
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Solution
The fourth proportional to 382,701.08, 528,172.98 and 219,416.02 is: 302,820.19
Step by Step Solution
- Step 1: Write the proportion equation
382,701.08 : 528,172.98 = 219,416.02 : x - Step 2: Convert to fraction form
382,701.08/528,172.98 = 219,416.02/x - Step 3: Cross multiply
382,701.08x = 528,172.98 × 219,416.02 - Step 4: Simplify right side
382,701.08x = 115,889,613,143.14 - Step 5: Solve for x
x = 115,889,613,143.14/382,701.08 - Step 6: Final answer
x = 302,820.19
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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.