Finding the Fourth Proportional to 190,955.40, 286,739.10 and 151,837.80
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Solution
The fourth proportional to 190,955.40, 286,739.10 and 151,837.80 is: 228,000.02
Step by Step Solution
- Step 1: Write the proportion equation
190,955.40 : 286,739.10 = 151,837.80 : x - Step 2: Convert to fraction form
190,955.40/286,739.10 = 151,837.80/x - Step 3: Cross multiply
190,955.40x = 286,739.10 × 151,837.80 - Step 4: Simplify right side
190,955.40x = 43,537,834,117.98 - Step 5: Solve for x
x = 43,537,834,117.98/190,955.40 - Step 6: Final answer
x = 228,000.02
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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.