Finding the Fourth Proportional to 340,220.17, 469,503.30 and 211,110.63
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Solution
The fourth proportional to 340,220.17, 469,503.30 and 211,110.63 is: 291,332.34
Step by Step Solution
- Step 1: Write the proportion equation
340,220.17 : 469,503.30 = 211,110.63 : x - Step 2: Convert to fraction form
340,220.17/469,503.30 = 211,110.63/x - Step 3: Cross multiply
340,220.17x = 469,503.30 × 211,110.63 - Step 4: Simplify right side
340,220.17x = 99,117,137,450.08 - Step 5: Solve for x
x = 99,117,137,450.08/340,220.17 - Step 6: Final answer
x = 291,332.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.