Finding the Fourth Proportional to 508,899.68, 702,283.12 and 282,545.76
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Solution
The fourth proportional to 508,899.68, 702,283.12 and 282,545.76 is: 389,914.02
Step by Step Solution
- Step 1: Write the proportion equation
508,899.68 : 702,283.12 = 282,545.76 : x - Step 2: Convert to fraction form
508,899.68/702,283.12 = 282,545.76/x - Step 3: Cross multiply
508,899.68x = 702,283.12 × 282,545.76 - Step 4: Simplify right side
508,899.68x = 198,427,117,875.57 - Step 5: Solve for x
x = 198,427,117,875.57/508,899.68 - Step 6: Final answer
x = 389,914.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.