Finding the Fourth Proportional to 539,638.57, 809,316.80 and 160,457.19
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Solution
The fourth proportional to 539,638.57, 809,316.80 and 160,457.19 is: 240,643.84
Step by Step Solution
- Step 1: Write the proportion equation
539,638.57 : 809,316.80 = 160,457.19 : x - Step 2: Convert to fraction form
539,638.57/809,316.80 = 160,457.19/x - Step 3: Cross multiply
539,638.57x = 809,316.80 × 160,457.19 - Step 4: Simplify right side
539,638.57x = 129,860,696,312.28 - Step 5: Solve for x
x = 129,860,696,312.28/539,638.57 - Step 6: Final answer
x = 240,643.84
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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.