Finding the Fourth Proportional to 290,440,420.18, 435,789,283.27 and 152,233,182.08
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Solution
The fourth proportional to 290,440,420.18, 435,789,283.27 and 152,233,182.08 is: 228,417,206.07
Step by Step Solution
- Step 1: Write the proportion equation
290,440,420.18 : 435,789,283.27 = 152,233,182.08 : x - Step 2: Convert to fraction form
290,440,420.18/435,789,283.27 = 152,233,182.08/x - Step 3: Cross multiply
290,440,420.18x = 435,789,283.27 × 152,233,182.08 - Step 4: Simplify right side
290,440,420.18x = 66,341,589,306,375,656 - Step 5: Solve for x
x = 66,341,589,306,375,656/290,440,420.18 - Step 6: Final answer
x = 228,417,206.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.