Finding the Fourth Proportional to 180,985.36, 249,781.95 and 104,504.26
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Solution
The fourth proportional to 180,985.36, 249,781.95 and 104,504.26 is: 144,228.67
Step by Step Solution
- Step 1: Write the proportion equation
180,985.36 : 249,781.95 = 104,504.26 : x - Step 2: Convert to fraction form
180,985.36/249,781.95 = 104,504.26/x - Step 3: Cross multiply
180,985.36x = 249,781.95 × 104,504.26 - Step 4: Simplify right side
180,985.36x = 26,103,277,846.11 - Step 5: Solve for x
x = 26,103,277,846.11/180,985.36 - Step 6: Final answer
x = 144,228.67
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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.