Finding the Fourth Proportional to 376,430.12, 561,937.47 and 322,541.82
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Solution
The fourth proportional to 376,430.12, 561,937.47 and 322,541.82 is: 481,492.65
Step by Step Solution
- Step 1: Write the proportion equation
376,430.12 : 561,937.47 = 322,541.82 : x - Step 2: Convert to fraction form
376,430.12/561,937.47 = 322,541.82/x - Step 3: Cross multiply
376,430.12x = 561,937.47 × 322,541.82 - Step 4: Simplify right side
376,430.12x = 181,248,334,300.00 - Step 5: Solve for x
x = 181,248,334,300.00/376,430.12 - Step 6: Final answer
x = 481,492.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.