Finding the Fourth Proportional to 539,646.48, 809,328.60 and 160,465.14
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Solution
The fourth proportional to 539,646.48, 809,328.60 and 160,465.14 is: 240,655.75
Step by Step Solution
- Step 1: Write the proportion equation
539,646.48 : 809,328.60 = 160,465.14 : x - Step 2: Convert to fraction form
539,646.48/809,328.60 = 160,465.14/x - Step 3: Cross multiply
539,646.48x = 809,328.60 × 160,465.14 - Step 4: Simplify right side
539,646.48x = 129,869,027,105.00 - Step 5: Solve for x
x = 129,869,027,105.00/539,646.48 - Step 6: Final answer
x = 240,655.75
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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.