Finding the Fourth Proportional to 609,635.16, 841,309.98 and 347,985.08
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Solution
The fourth proportional to 609,635.16, 841,309.98 and 347,985.08 is: 480,227.09
Step by Step Solution
- Step 1: Write the proportion equation
609,635.16 : 841,309.98 = 347,985.08 : x - Step 2: Convert to fraction form
609,635.16/841,309.98 = 347,985.08/x - Step 3: Cross multiply
609,635.16x = 841,309.98 × 347,985.08 - Step 4: Simplify right side
609,635.16x = 292,763,320,695.10 - Step 5: Solve for x
x = 292,763,320,695.10/609,635.16 - Step 6: Final answer
x = 480,227.09
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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.