Finding the Fourth Proportional to 249,735.75, 374,603.99 and 101,991.75
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Solution
The fourth proportional to 249,735.75, 374,603.99 and 101,991.75 is: 152,987.77
Step by Step Solution
- Step 1: Write the proportion equation
249,735.75 : 374,603.99 = 101,991.75 : x - Step 2: Convert to fraction form
249,735.75/374,603.99 = 101,991.75/x - Step 3: Cross multiply
249,735.75x = 374,603.99 × 101,991.75 - Step 4: Simplify right side
249,735.75x = 38,206,515,987.12 - Step 5: Solve for x
x = 38,206,515,987.12/249,735.75 - Step 6: Final answer
x = 152,987.77
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1.5x scale
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.