Finding the Fourth Proportional to 229,249,501.80, 343,874,252.70 and 199,389,661.80
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Solution
The fourth proportional to 229,249,501.80, 343,874,252.70 and 199,389,661.80 is: 299,084,492.70
Step by Step Solution
- Step 1: Write the proportion equation
229,249,501.80 : 343,874,252.70 = 199,389,661.80 : x - Step 2: Convert to fraction form
229,249,501.80/343,874,252.70 = 199,389,661.80/x - Step 3: Cross multiply
229,249,501.80x = 343,874,252.70 × 199,389,661.80 - Step 4: Simplify right side
229,249,501.80x = 68,564,970,947,580,736 - Step 5: Solve for x
x = 68,564,970,947,580,736/229,249,501.80 - Step 6: Final answer
x = 299,084,492.70
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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.