Finding the Fourth Proportional to 249,973,859.19, 374,824,098.55 and 198,489,183.72
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Solution
The fourth proportional to 249,973,859.19, 374,824,098.55 and 198,489,183.72 is: 297,625,238.09
Step by Step Solution
- Step 1: Write the proportion equation
249,973,859.19 : 374,824,098.55 = 198,489,183.72 : x - Step 2: Convert to fraction form
249,973,859.19/374,824,098.55 = 198,489,183.72/x - Step 3: Cross multiply
249,973,859.19x = 374,824,098.55 × 198,489,183.72 - Step 4: Simplify right side
249,973,859.19x = 74,398,529,358,616,848 - Step 5: Solve for x
x = 74,398,529,358,616,848/249,973,859.19 - Step 6: Final answer
x = 297,625,238.09
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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.