Finding the Fourth Proportional to 430,978.14, 594,749.79 and 249,795.18
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Solution
The fourth proportional to 430,978.14, 594,749.79 and 249,795.18 is: 344,717.32
Step by Step Solution
- Step 1: Write the proportion equation
430,978.14 : 594,749.79 = 249,795.18 : x - Step 2: Convert to fraction form
430,978.14/594,749.79 = 249,795.18/x - Step 3: Cross multiply
430,978.14x = 594,749.79 × 249,795.18 - Step 4: Simplify right side
430,978.14x = 148,565,630,848.01 - Step 5: Solve for x
x = 148,565,630,848.01/430,978.14 - Step 6: Final answer
x = 344,717.32
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.