Finding the Fourth Proportional to 291,507.94, 402,381.63 and 170,688.07
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Solution
The fourth proportional to 291,507.94, 402,381.63 and 170,688.07 is: 235,608.48
Step by Step Solution
- Step 1: Write the proportion equation
291,507.94 : 402,381.63 = 170,688.07 : x - Step 2: Convert to fraction form
291,507.94/402,381.63 = 170,688.07/x - Step 3: Cross multiply
291,507.94x = 402,381.63 × 170,688.07 - Step 4: Simplify right side
291,507.94x = 68,681,742,822.20 - Step 5: Solve for x
x = 68,681,742,822.20/291,507.94 - Step 6: Final answer
x = 235,608.48
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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.