Finding the Fourth Proportional to 286,642.18, 430,014.98 and 118,070.49
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Solution
The fourth proportional to 286,642.18, 430,014.98 and 118,070.49 is: 177,127.03
Step by Step Solution
- Step 1: Write the proportion equation
286,642.18 : 430,014.98 = 118,070.49 : x - Step 2: Convert to fraction form
286,642.18/430,014.98 = 118,070.49/x - Step 3: Cross multiply
286,642.18x = 430,014.98 × 118,070.49 - Step 4: Simplify right side
286,642.18x = 50,772,079,395.94 - Step 5: Solve for x
x = 50,772,079,395.94/286,642.18 - Step 6: Final answer
x = 177,127.03
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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.