Finding the Fourth Proportional to 180,199.18, 248,726.76 and 118,990.07
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Solution
The fourth proportional to 180,199.18, 248,726.76 and 118,990.07 is: 164,240.56
Step by Step Solution
- Step 1: Write the proportion equation
180,199.18 : 248,726.76 = 118,990.07 : x - Step 2: Convert to fraction form
180,199.18/248,726.76 = 118,990.07/x - Step 3: Cross multiply
180,199.18x = 248,726.76 × 118,990.07 - Step 4: Simplify right side
180,199.18x = 29,596,013,339.64 - Step 5: Solve for x
x = 29,596,013,339.64/180,199.18 - Step 6: Final answer
x = 164,240.56
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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.