Finding the Fourth Proportional to 229,054.83, 316,398.62 and 190,938.99
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Solution
The fourth proportional to 229,054.83, 316,398.62 and 190,938.99 is: 263,748.34
Step by Step Solution
- Step 1: Write the proportion equation
229,054.83 : 316,398.62 = 190,938.99 : x - Step 2: Convert to fraction form
229,054.83/316,398.62 = 190,938.99/x - Step 3: Cross multiply
229,054.83x = 316,398.62 × 190,938.99 - Step 4: Simplify right side
229,054.83x = 60,412,831,985.50 - Step 5: Solve for x
x = 60,412,831,985.50/229,054.83 - Step 6: Final answer
x = 263,748.34
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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.