Finding the Fourth Proportional to 180,655.19, 249,297.07 and 100,083.98
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Solution
The fourth proportional to 180,655.19, 249,297.07 and 100,083.98 is: 138,111.96
Step by Step Solution
- Step 1: Write the proportion equation
180,655.19 : 249,297.07 = 100,083.98 : x - Step 2: Convert to fraction form
180,655.19/249,297.07 = 100,083.98/x - Step 3: Cross multiply
180,655.19x = 249,297.07 × 100,083.98 - Step 4: Simplify right side
180,655.19x = 24,950,642,967.94 - Step 5: Solve for x
x = 24,950,642,967.94/180,655.19 - Step 6: Final answer
x = 138,111.96
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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.