Finding the Fourth Proportional to 358,918.03, 495,328.98 and 197,773.05
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Solution
The fourth proportional to 358,918.03, 495,328.98 and 197,773.05 is: 272,938.99
Step by Step Solution
- Step 1: Write the proportion equation
358,918.03 : 495,328.98 = 197,773.05 : x - Step 2: Convert to fraction form
358,918.03/495,328.98 = 197,773.05/x - Step 3: Cross multiply
358,918.03x = 495,328.98 × 197,773.05 - Step 4: Simplify right side
358,918.03x = 97,962,723,127.99 - Step 5: Solve for x
x = 97,962,723,127.99/358,918.03 - Step 6: Final answer
x = 272,938.99
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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.