Finding the Fourth Proportional to 290,430,000.20, 435,645,000.30 and 224,673,033.80
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Solution
The fourth proportional to 290,430,000.20, 435,645,000.30 and 224,673,033.80 is: 337,009,550.70
Step by Step Solution
- Step 1: Write the proportion equation
290,430,000.20 : 435,645,000.30 = 224,673,033.80 : x - Step 2: Convert to fraction form
290,430,000.20/435,645,000.30 = 224,673,033.80/x - Step 3: Cross multiply
290,430,000.20x = 435,645,000.30 × 224,673,033.80 - Step 4: Simplify right side
290,430,000.20x = 97,877,683,877,202,912 - Step 5: Solve for x
x = 97,877,683,877,202,912/290,430,000.20 - Step 6: Final answer
x = 337,009,550.70
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1.5x scale
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.