Finding the Fourth Proportional to 249,264,215.80, 373,896,323.70 and 206,796,887.80
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Solution
The fourth proportional to 249,264,215.80, 373,896,323.70 and 206,796,887.80 is: 310,195,331.70
Step by Step Solution
- Step 1: Write the proportion equation
249,264,215.80 : 373,896,323.70 = 206,796,887.80 : x - Step 2: Convert to fraction form
249,264,215.80/373,896,323.70 = 206,796,887.80/x - Step 3: Cross multiply
249,264,215.80x = 373,896,323.70 × 206,796,887.80 - Step 4: Simplify right side
249,264,215.80x = 77,320,596,101,021,376 - Step 5: Solve for x
x = 77,320,596,101,021,376/249,264,215.80 - Step 6: Final answer
x = 310,195,331.70
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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.