Finding the Fourth Proportional to 478,486.99, 660,339.59 and 274,536.02
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Solution
The fourth proportional to 478,486.99, 660,339.59 and 274,536.02 is: 378,875.51
Step by Step Solution
- Step 1: Write the proportion equation
478,486.99 : 660,339.59 = 274,536.02 : x - Step 2: Convert to fraction form
478,486.99/660,339.59 = 274,536.02/x - Step 3: Cross multiply
478,486.99x = 660,339.59 × 274,536.02 - Step 4: Simplify right side
478,486.99x = 181,287,002,887.03 - Step 5: Solve for x
x = 181,287,002,887.03/478,486.99 - Step 6: Final answer
x = 378,875.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.