Finding the Fourth Proportional to 659,030.08, 909,460.64 and 357,224
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Solution
The fourth proportional to 659,030.08, 909,460.64 and 357,224 is: 492,968.65
Step by Step Solution
- Step 1: Write the proportion equation
659,030.08 : 909,460.64 = 357,224 : x - Step 2: Convert to fraction form
659,030.08/909,460.64 = 357,224/x - Step 3: Cross multiply
659,030.08x = 909,460.64 × 357,224 - Step 4: Simplify right side
659,030.08x = 324,881,167,663.36 - Step 5: Solve for x
x = 324,881,167,663.36/659,030.08 - Step 6: Final answer
x = 492,968.65
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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.