Finding the Fourth Proportional to 542,970.99, 749,285.64 and 297,954.99
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Solution
The fourth proportional to 542,970.99, 749,285.64 and 297,954.99 is: 411,170.02
Step by Step Solution
- Step 1: Write the proportion equation
542,970.99 : 749,285.64 = 297,954.99 : x - Step 2: Convert to fraction form
542,970.99/749,285.64 = 297,954.99/x - Step 3: Cross multiply
542,970.99x = 749,285.64 × 297,954.99 - Step 4: Simplify right side
542,970.99x = 223,253,395,373.34 - Step 5: Solve for x
x = 223,253,395,373.34/542,970.99 - Step 6: Final answer
x = 411,170.02
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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.