Finding the Fourth Proportional to 161,649.18, 223,177.98 and 119,133.66
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Solution
The fourth proportional to 161,649.18, 223,177.98 and 119,133.66 is: 164,479.71
Step by Step Solution
- Step 1: Write the proportion equation
161,649.18 : 223,177.98 = 119,133.66 : x - Step 2: Convert to fraction form
161,649.18/223,177.98 = 119,133.66/x - Step 3: Cross multiply
161,649.18x = 223,177.98 × 119,133.66 - Step 4: Simplify right side
161,649.18x = 26,588,009,588.81 - Step 5: Solve for x
x = 26,588,009,588.81/161,649.18 - Step 6: Final answer
x = 164,479.71
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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.