Finding the Fourth Proportional to 875,369.10, 1,312,864.11 and 235,657.02
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Solution
The fourth proportional to 875,369.10, 1,312,864.11 and 235,657.02 is: 353,434.50
Step by Step Solution
- Step 1: Write the proportion equation
875,369.10 : 1,312,864.11 = 235,657.02 : x - Step 2: Convert to fraction form
875,369.10/1,312,864.11 = 235,657.02/x - Step 3: Cross multiply
875,369.10x = 1,312,864.11 × 235,657.02 - Step 4: Simplify right side
875,369.10x = 309,385,643,827.55 - Step 5: Solve for x
x = 309,385,643,827.55/875,369.10 - Step 6: Final answer
x = 353,434.50
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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.