Finding the Fourth Proportional to 298,980,212.70, 448,470,319.05 and 162,931,316.70
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Solution
The fourth proportional to 298,980,212.70, 448,470,319.05 and 162,931,316.70 is: 244,396,975.05
Step by Step Solution
- Step 1: Write the proportion equation
298,980,212.70 : 448,470,319.05 = 162,931,316.70 : x - Step 2: Convert to fraction form
298,980,212.70/448,470,319.05 = 162,931,316.70/x - Step 3: Cross multiply
298,980,212.70x = 448,470,319.05 × 162,931,316.70 - Step 4: Simplify right side
298,980,212.70x = 73,069,859,583,685,584 - Step 5: Solve for x
x = 73,069,859,583,685,584/298,980,212.70 - Step 6: Final answer
x = 244,396,975.05
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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.