Finding the Fourth Proportional to 651,242.36, 977,197.12 and 310,071.88
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Solution
The fourth proportional to 651,242.36, 977,197.12 and 310,071.88 is: 465,266.65
Step by Step Solution
- Step 1: Write the proportion equation
651,242.36 : 977,197.12 = 310,071.88 : x - Step 2: Convert to fraction form
651,242.36/977,197.12 = 310,071.88/x - Step 3: Cross multiply
651,242.36x = 977,197.12 × 310,071.88 - Step 4: Simplify right side
651,242.36x = 303,001,348,128.99 - Step 5: Solve for x
x = 303,001,348,128.99/651,242.36 - Step 6: Final answer
x = 465,266.65
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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.