Finding the Fourth Proportional to 316,534.14, 436,800.74 and 173,267.01
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Solution
The fourth proportional to 316,534.14, 436,800.74 and 173,267.01 is: 239,099.51
Step by Step Solution
- Step 1: Write the proportion equation
316,534.14 : 436,800.74 = 173,267.01 : x - Step 2: Convert to fraction form
316,534.14/436,800.74 = 173,267.01/x - Step 3: Cross multiply
316,534.14x = 436,800.74 × 173,267.01 - Step 4: Simplify right side
316,534.14x = 75,683,157,319.25 - Step 5: Solve for x
x = 75,683,157,319.25/316,534.14 - Step 6: Final answer
x = 239,099.51
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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.