Finding the Fourth Proportional to 436,417.68, 601,914.44 and 298,678.08
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Solution
The fourth proportional to 436,417.68, 601,914.44 and 298,678.08 is: 411,941.72
Step by Step Solution
- Step 1: Write the proportion equation
436,417.68 : 601,914.44 = 298,678.08 : x - Step 2: Convert to fraction form
436,417.68/601,914.44 = 298,678.08/x - Step 3: Cross multiply
436,417.68x = 601,914.44 × 298,678.08 - Step 4: Simplify right side
436,417.68x = 179,778,649,263.48 - Step 5: Solve for x
x = 179,778,649,263.48/436,417.68 - Step 6: Final answer
x = 411,941.72
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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.