Finding the Fourth Proportional to 528,762.68, 793,111.21 and 168,924.63
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Solution
The fourth proportional to 528,762.68, 793,111.21 and 168,924.63 is: 253,376.46
Step by Step Solution
- Step 1: Write the proportion equation
528,762.68 : 793,111.21 = 168,924.63 : x - Step 2: Convert to fraction form
528,762.68/793,111.21 = 168,924.63/x - Step 3: Cross multiply
528,762.68x = 793,111.21 × 168,924.63 - Step 4: Simplify right side
528,762.68x = 133,976,017,275.79 - Step 5: Solve for x
x = 133,976,017,275.79/528,762.68 - Step 6: Final answer
x = 253,376.46
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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.