Finding the Fourth Proportional to 486,656.68, 729,986.76 and 149,695.08
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Solution
The fourth proportional to 486,656.68, 729,986.76 and 149,695.08 is: 224,543.16
Step by Step Solution
- Step 1: Write the proportion equation
486,656.68 : 729,986.76 = 149,695.08 : x - Step 2: Convert to fraction form
486,656.68/729,986.76 = 149,695.08/x - Step 3: Cross multiply
486,656.68x = 729,986.76 × 149,695.08 - Step 4: Simplify right side
486,656.68x = 109,275,426,437.14 - Step 5: Solve for x
x = 109,275,426,437.14/486,656.68 - Step 6: Final answer
x = 224,543.16
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.