Finding the Fourth Proportional to 432,427.47, 648,643.55 and 283,610.18
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Solution
The fourth proportional to 432,427.47, 648,643.55 and 283,610.18 is: 425,416.80
Step by Step Solution
- Step 1: Write the proportion equation
432,427.47 : 648,643.55 = 283,610.18 : x - Step 2: Convert to fraction form
432,427.47/648,643.55 = 283,610.18/x - Step 3: Cross multiply
432,427.47x = 648,643.55 × 283,610.18 - Step 4: Simplify right side
432,427.47x = 183,961,909,310.07 - Step 5: Solve for x
x = 183,961,909,310.07/432,427.47 - Step 6: Final answer
x = 425,416.80
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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.