Finding the Fourth Proportional to 340,783.61, 470,308.41 and 187,848.99
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Solution
The fourth proportional to 340,783.61, 470,308.41 and 187,848.99 is: 259,246.51
Step by Step Solution
- Step 1: Write the proportion equation
340,783.61 : 470,308.41 = 187,848.99 : x - Step 2: Convert to fraction form
340,783.61/470,308.41 = 187,848.99/x - Step 3: Cross multiply
340,783.61x = 470,308.41 × 187,848.99 - Step 4: Simplify right side
340,783.61x = 88,346,959,807.01 - Step 5: Solve for x
x = 88,346,959,807.01/340,783.61 - Step 6: Final answer
x = 259,246.51
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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.