Finding the Fourth Proportional to 249,539.14, 374,197.52 and 72,003.98
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Solution
The fourth proportional to 249,539.14, 374,197.52 and 72,003.98 is: 107,973.89
Step by Step Solution
- Step 1: Write the proportion equation
249,539.14 : 374,197.52 = 72,003.98 : x - Step 2: Convert to fraction form
249,539.14/374,197.52 = 72,003.98/x - Step 3: Cross multiply
249,539.14x = 374,197.52 × 72,003.98 - Step 4: Simplify right side
249,539.14x = 26,943,710,746.13 - Step 5: Solve for x
x = 26,943,710,746.13/249,539.14 - Step 6: Final answer
x = 107,973.89
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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.