Finding the Fourth Proportional to 310,331.23, 465,484.20 and 107,973.66
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Solution
The fourth proportional to 310,331.23, 465,484.20 and 107,973.66 is: 161,956.09
Step by Step Solution
- Step 1: Write the proportion equation
310,331.23 : 465,484.20 = 107,973.66 : x - Step 2: Convert to fraction form
310,331.23/465,484.20 = 107,973.66/x - Step 3: Cross multiply
310,331.23x = 465,484.20 × 107,973.66 - Step 4: Simplify right side
310,331.23x = 50,260,032,746.17 - Step 5: Solve for x
x = 50,260,032,746.17/310,331.23 - Step 6: Final answer
x = 161,956.09
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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.