Finding the Fourth Proportional to 648,303.98, 972,420.80 and 199,024.92
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Solution
The fourth proportional to 648,303.98, 972,420.80 and 199,024.92 is: 298,526.58
Step by Step Solution
- Step 1: Write the proportion equation
648,303.98 : 972,420.80 = 199,024.92 : x - Step 2: Convert to fraction form
648,303.98/972,420.80 = 199,024.92/x - Step 3: Cross multiply
648,303.98x = 972,420.80 × 199,024.92 - Step 4: Simplify right side
648,303.98x = 193,535,970,931.21 - Step 5: Solve for x
x = 193,535,970,931.21/648,303.98 - Step 6: Final answer
x = 298,526.58
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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.