Finding the Fourth Proportional to 228,235.09, 314,973.70 and 126,258.79
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Solution
The fourth proportional to 228,235.09, 314,973.70 and 126,258.79 is: 174,242.26
Step by Step Solution
- Step 1: Write the proportion equation
228,235.09 : 314,973.70 = 126,258.79 : x - Step 2: Convert to fraction form
228,235.09/314,973.70 = 126,258.79/x - Step 3: Cross multiply
228,235.09x = 314,973.70 × 126,258.79 - Step 4: Simplify right side
228,235.09x = 39,768,197,612.53 - Step 5: Solve for x
x = 39,768,197,612.53/228,235.09 - Step 6: Final answer
x = 174,242.26
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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.