Finding the Fourth Proportional to 291,345.51, 402,068.02 and 168,842.09
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Solution
The fourth proportional to 291,345.51, 402,068.02 and 168,842.09 is: 233,008.58
Step by Step Solution
- Step 1: Write the proportion equation
291,345.51 : 402,068.02 = 168,842.09 : x - Step 2: Convert to fraction form
291,345.51/402,068.02 = 168,842.09/x - Step 3: Cross multiply
291,345.51x = 402,068.02 × 168,842.09 - Step 4: Simplify right side
291,345.51x = 67,886,004,818.96 - Step 5: Solve for x
x = 67,886,004,818.96/291,345.51 - Step 6: Final answer
x = 233,008.58
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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.