Finding the Fourth Proportional to 286,246.58, 429,566.63 and 99,258.08
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Solution
The fourth proportional to 286,246.58, 429,566.63 and 99,258.08 is: 148,955.34
Step by Step Solution
- Step 1: Write the proportion equation
286,246.58 : 429,566.63 = 99,258.08 : x - Step 2: Convert to fraction form
286,246.58/429,566.63 = 99,258.08/x - Step 3: Cross multiply
286,246.58x = 429,566.63 × 99,258.08 - Step 4: Simplify right side
286,246.58x = 42,637,956,281.75 - Step 5: Solve for x
x = 42,637,956,281.75/286,246.58 - Step 6: Final answer
x = 148,955.34
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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.