Finding the Fourth Proportional to 390,848.00, 586,122.55 and 213,260.09
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Solution
The fourth proportional to 390,848.00, 586,122.55 and 213,260.09 is: 319,808.59
Step by Step Solution
- Step 1: Write the proportion equation
390,848.00 : 586,122.55 = 213,260.09 : x - Step 2: Convert to fraction form
390,848.00/586,122.55 = 213,260.09/x - Step 3: Cross multiply
390,848.00x = 586,122.55 × 213,260.09 - Step 4: Simplify right side
390,848.00x = 124,996,544,300.27 - Step 5: Solve for x
x = 124,996,544,300.27/390,848.00 - Step 6: Final answer
x = 319,808.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.