Finding the Fourth Proportional to 409,615.08, 565,260.71 and 228,316.19
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Solution
The fourth proportional to 409,615.08, 565,260.71 and 228,316.19 is: 315,071.84
Step by Step Solution
- Step 1: Write the proportion equation
409,615.08 : 565,260.71 = 228,316.19 : x - Step 2: Convert to fraction form
409,615.08/565,260.71 = 228,316.19/x - Step 3: Cross multiply
409,615.08x = 565,260.71 × 228,316.19 - Step 4: Simplify right side
409,615.08x = 129,058,174,712.89 - Step 5: Solve for x
x = 129,058,174,712.89/409,615.08 - Step 6: Final answer
x = 315,071.84
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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.