Finding the Fourth Proportional to 316,567.80, 474,851.70 and 94,951.80
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Solution
The fourth proportional to 316,567.80, 474,851.70 and 94,951.80 is: 142,427.70
Step by Step Solution
- Step 1: Write the proportion equation
316,567.80 : 474,851.70 = 94,951.80 : x - Step 2: Convert to fraction form
316,567.80/474,851.70 = 94,951.80/x - Step 3: Cross multiply
316,567.80x = 474,851.70 × 94,951.80 - Step 4: Simplify right side
316,567.80x = 45,088,023,648.06 - Step 5: Solve for x
x = 45,088,023,648.06/316,567.80 - Step 6: Final answer
x = 142,427.70
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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.