Finding the Fourth Proportional to 310,909.30, 466,363.95 and 236,259.70
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Solution
The fourth proportional to 310,909.30, 466,363.95 and 236,259.70 is: 354,389.55
Step by Step Solution
- Step 1: Write the proportion equation
310,909.30 : 466,363.95 = 236,259.70 : x - Step 2: Convert to fraction form
310,909.30/466,363.95 = 236,259.70/x - Step 3: Cross multiply
310,909.30x = 466,363.95 × 236,259.70 - Step 4: Simplify right side
310,909.30x = 110,183,006,917.82 - Step 5: Solve for x
x = 110,183,006,917.82/310,909.30 - Step 6: Final answer
x = 354,389.55
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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.