Finding the Fourth Proportional to 408,987.68, 564,289.68 and 245,602.08
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Solution
The fourth proportional to 408,987.68, 564,289.68 and 245,602.08 is: 338,862.82
Step by Step Solution
- Step 1: Write the proportion equation
408,987.68 : 564,289.68 = 245,602.08 : x - Step 2: Convert to fraction form
408,987.68/564,289.68 = 245,602.08/x - Step 3: Cross multiply
408,987.68x = 564,289.68 × 245,602.08 - Step 4: Simplify right side
408,987.68x = 138,590,719,130.53 - Step 5: Solve for x
x = 138,590,719,130.53/408,987.68 - Step 6: Final answer
x = 338,862.82
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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.