Finding the Fourth Proportional to 611,816.63, 917,490.65 and 201,389.63
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Solution
The fourth proportional to 611,816.63, 917,490.65 and 201,389.63 is: 302,007.32
Step by Step Solution
- Step 1: Write the proportion equation
611,816.63 : 917,490.65 = 201,389.63 : x - Step 2: Convert to fraction form
611,816.63/917,490.65 = 201,389.63/x - Step 3: Cross multiply
611,816.63x = 917,490.65 × 201,389.63 - Step 4: Simplify right side
611,816.63x = 184,773,096,937.56 - Step 5: Solve for x
x = 184,773,096,937.56/611,816.63 - Step 6: Final answer
x = 302,007.32
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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.