Finding the Fourth Proportional to 442,347.08, 610,420.86 and 248,749.28
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Solution
The fourth proportional to 442,347.08, 610,420.86 and 248,749.28 is: 343,263.82
Step by Step Solution
- Step 1: Write the proportion equation
442,347.08 : 610,420.86 = 248,749.28 : x - Step 2: Convert to fraction form
442,347.08/610,420.86 = 248,749.28/x - Step 3: Cross multiply
442,347.08x = 610,420.86 × 248,749.28 - Step 4: Simplify right side
442,347.08x = 151,841,749,421.98 - Step 5: Solve for x
x = 151,841,749,421.98/442,347.08 - Step 6: Final answer
x = 343,263.82
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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.