Finding the Fourth Proportional to 249,728,779.80, 374,593,169.70 and 245,424,107.70
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Solution
The fourth proportional to 249,728,779.80, 374,593,169.70 and 245,424,107.70 is: 368,136,161.55
Step by Step Solution
- Step 1: Write the proportion equation
249,728,779.80 : 374,593,169.70 = 245,424,107.70 : x - Step 2: Convert to fraction form
249,728,779.80/374,593,169.70 = 245,424,107.70/x - Step 3: Cross multiply
249,728,779.80x = 374,593,169.70 × 245,424,107.70 - Step 4: Simplify right side
249,728,779.80x = 91,934,194,424,137,168 - Step 5: Solve for x
x = 91,934,194,424,137,168/249,728,779.80 - Step 6: Final answer
x = 368,136,161.55
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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.