Finding the Fourth Proportional to 409,396.03, 564,959.04 and 228,104.08
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Solution
The fourth proportional to 409,396.03, 564,959.04 and 228,104.08 is: 314,779.47
Step by Step Solution
- Step 1: Write the proportion equation
409,396.03 : 564,959.04 = 228,104.08 : x - Step 2: Convert to fraction form
409,396.03/564,959.04 = 228,104.08/x - Step 3: Cross multiply
409,396.03x = 564,959.04 × 228,104.08 - Step 4: Simplify right side
409,396.03x = 128,869,464,250.08 - Step 5: Solve for x
x = 128,869,464,250.08/409,396.03 - Step 6: Final answer
x = 314,779.47
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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.