Finding the Fourth Proportional to 534,191.64, 801,328.95 and 155,118.63
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Solution
The fourth proportional to 534,191.64, 801,328.95 and 155,118.63 is: 232,689.99
Step by Step Solution
- Step 1: Write the proportion equation
534,191.64 : 801,328.95 = 155,118.63 : x - Step 2: Convert to fraction form
534,191.64/801,328.95 = 155,118.63/x - Step 3: Cross multiply
534,191.64x = 801,328.95 × 155,118.63 - Step 4: Simplify right side
534,191.64x = 124,301,048,903.34 - Step 5: Solve for x
x = 124,301,048,903.34/534,191.64 - Step 6: Final answer
x = 232,689.99
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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.