Finding the Fourth Proportional to 292,491.36, 438,802.74 and 105,502.86
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Solution
The fourth proportional to 292,491.36, 438,802.74 and 105,502.86 is: 158,277.99
Step by Step Solution
- Step 1: Write the proportion equation
292,491.36 : 438,802.74 = 105,502.86 : x - Step 2: Convert to fraction form
292,491.36/438,802.74 = 105,502.86/x - Step 3: Cross multiply
292,491.36x = 438,802.74 × 105,502.86 - Step 4: Simplify right side
292,491.36x = 46,294,944,045.84 - Step 5: Solve for x
x = 46,294,944,045.84/292,491.36 - Step 6: Final answer
x = 158,277.99
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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.