Finding the Fourth Proportional to 180,659.19, 249,302.58 and 100,087.98
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Solution
The fourth proportional to 180,659.19, 249,302.58 and 100,087.98 is: 138,117.48
Step by Step Solution
- Step 1: Write the proportion equation
180,659.19 : 249,302.58 = 100,087.98 : x - Step 2: Convert to fraction form
180,659.19/249,302.58 = 100,087.98/x - Step 3: Cross multiply
180,659.19x = 249,302.58 × 100,087.98 - Step 4: Simplify right side
180,659.19x = 24,952,191,640.99 - Step 5: Solve for x
x = 24,952,191,640.99/180,659.19 - Step 6: Final answer
x = 138,117.48
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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.