Finding the Fourth Proportional to 291,653.74, 402,523.86 and 164,341.18
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Solution
The fourth proportional to 291,653.74, 402,523.86 and 164,341.18 is: 226,814.32
Step by Step Solution
- Step 1: Write the proportion equation
291,653.74 : 402,523.86 = 164,341.18 : x - Step 2: Convert to fraction form
291,653.74/402,523.86 = 164,341.18/x - Step 3: Cross multiply
291,653.74x = 402,523.86 × 164,341.18 - Step 4: Simplify right side
291,653.74x = 66,151,246,130.55 - Step 5: Solve for x
x = 66,151,246,130.55/291,653.74 - Step 6: Final answer
x = 226,814.32
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1.5x scale
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.