Finding the Fourth Proportional to 249,326,535.80, 373,989,803.70 and 206,859,207.80
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Solution
The fourth proportional to 249,326,535.80, 373,989,803.70 and 206,859,207.80 is: 310,288,811.70
Step by Step Solution
- Step 1: Write the proportion equation
249,326,535.80 : 373,989,803.70 = 206,859,207.80 : x - Step 2: Convert to fraction form
249,326,535.80/373,989,803.70 = 206,859,207.80/x - Step 3: Cross multiply
249,326,535.80x = 373,989,803.70 × 206,859,207.80 - Step 4: Simplify right side
249,326,535.80x = 77,363,234,518,659,504 - Step 5: Solve for x
x = 77,363,234,518,659,504/249,326,535.80 - Step 6: Final answer
x = 310,288,811.70
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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.